638604120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 384

約数和(自身を含む): 2469841920

約数和(自身を除く): 1831237800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 61, 66, 70, 77, 84, 88, 103, 105, 110, 120, 121, 122, 132, 140, 154, 165, 168, 183, 206, 210, 220, 231, 242, 244, 264, 280, 305, 308, 309, 330, 363, 366, 385, 412, 420, 427, 440, 462, 484, 488, 515, 605, 610, 616, 618, 660, 671, 721, 726, 732, 770, 824, 840, 847, 854, 915, 924, 968, 1030, 1133, 1155, 1210, 1220, 1236, 1281, 1320, 1342, 1442, 1452, 1464, 1540, 1545, 1694, 1708, 1815, 1830, 1848, 2013, 2060, 2135, 2163, 2266, 2310, 2420, 2440, 2472, 2541, 2562, 2684, 2884, 2904, 3080, 3090, 3355, 3388, 3399, 3416, 3605, 3630, 3660, 4026, 4120, 4235, 4270, 4326, 4532, 4620, 4697, 4840, 5082, 5124, 5368, 5665, 5768, 6180, 6283, 6405, 6710, 6776, 6798, 7210, 7260, 7320, 7381, 7931, 8052, 8470, 8540, 8652, 9064, 9240, 9394, 10065, 10164, 10248, 10815, 11330, 12360, 12463, 12566, 12705, 12810, 13420, 13596, 14091, 14420, 14520, 14762, 15862, 16104, 16940, 16995, 17080, 17304, 18788, 18849, 20130, 20328, 21630, 22143, 22660, 23485, 23793, 24926, 25132, 25410, 25620, 26840, 27192, 28182, 28840, 29524, 31415, 31724, 33880, 33990, 36905, 37389, 37576, 37698, 39655, 40260, 43260, 43981, 44286, 45320, 46970, 47586, 49852, 50264, 50820, 51240, 51667, 56364, 59048, 62315, 62830, 63448, 67980, 69113, 70455, 73810, 74778, 75396, 79310, 80520, 86520, 87241, 87962, 88572, 93940, 94245, 95172, 99704, 101640, 103334, 110715, 112728, 118965, 124630, 125660, 131943, 135960, 138226, 140910, 147620, 149556, 150792, 155001, 158620, 174482, 175924, 177144, 186945, 187880, 188490, 190344, 206668, 207339, 219905, 221430, 237930, 249260, 251320, 258335, 261723, 263886, 276452, 281820, 295240, 299112, 310002, 317240, 345565, 348964, 351848, 373890, 376980, 413336, 414678, 436205, 439810, 442860, 475860, 483791, 498520, 516670, 523446, 527772, 552904, 563640, 620004, 659715, 691130, 697928, 747780, 753960, 760243, 775005, 829356, 872410, 879620, 885720, 951720, 967582, 1033340, 1036695, 1046892, 1055544, 1240008, 1308615, 1319430, 1382260, 1451373, 1495560, 1520486, 1550010, 1658712, 1744820, 1759240, 1935164, 2066680, 2073390, 2093784, 2280729, 2418955, 2617230, 2638860, 2764520, 2902746, 3040972, 3100020, 3489640, 3801215, 3870328, 4146780, 4561458, 4837910, 5234460, 5277720, 5321701, 5805492, 6081944, 6200040, 7256865, 7602430, 8293560, 9122916, 9675820, 10468920, 10643402, 11403645, 11610984, 14513730, 15204860, 15965103, 18245832, 19351640, 21286804, 22807290, 26608505, 29027460, 30409720, 31930206, 42573608, 45614580, 53217010, 58054920, 63860412, 79825515, 91229160, 106434020, 127720824, 159651030, 212868040, 319302060, 638604120]

約数ペア:

[(1, 638604120), (2, 319302060), (3, 212868040), (4, 159651030), (5, 127720824), (6, 106434020), (7, 91229160), (8, 79825515), (10, 63860412), (11, 58054920), (12, 53217010), (14, 45614580), (15, 42573608), (20, 31930206), (21, 30409720), (22, 29027460), (24, 26608505), (28, 22807290), (30, 21286804), (33, 19351640), (35, 18245832), (40, 15965103), (42, 15204860), (44, 14513730), (55, 11610984), (56, 11403645), (60, 10643402), (61, 10468920), (66, 9675820), (70, 9122916), (77, 8293560), (84, 7602430), (88, 7256865), (103, 6200040), (105, 6081944), (110, 5805492), (120, 5321701), (121, 5277720), (122, 5234460), (132, 4837910), (140, 4561458), (154, 4146780), (165, 3870328), (168, 3801215), (183, 3489640), (206, 3100020), (210, 3040972), (220, 2902746), (231, 2764520), (242, 2638860), (244, 2617230), (264, 2418955), (280, 2280729), (305, 2093784), (308, 2073390), (309, 2066680), (330, 1935164), (363, 1759240), (366, 1744820), (385, 1658712), (412, 1550010), (420, 1520486), (427, 1495560), (440, 1451373), (462, 1382260), (484, 1319430), (488, 1308615), (515, 1240008), (605, 1055544), (610, 1046892), (616, 1036695), (618, 1033340), (660, 967582), (671, 951720), (721, 885720), (726, 879620), (732, 872410), (770, 829356), (824, 775005), (840, 760243), (847, 753960), (854, 747780), (915, 697928), (924, 691130), (968, 659715), (1030, 620004), (1133, 563640), (1155, 552904), (1210, 527772), (1220, 523446), (1236, 516670), (1281, 498520), (1320, 483791), (1342, 475860), (1442, 442860), (1452, 439810), (1464, 436205), (1540, 414678), (1545, 413336), (1694, 376980), (1708, 373890), (1815, 351848), (1830, 348964), (1848, 345565), (2013, 317240), (2060, 310002), (2135, 299112), (2163, 295240), (2266, 281820), (2310, 276452), (2420, 263886), (2440, 261723), (2472, 258335), (2541, 251320), (2562, 249260), (2684, 237930), (2884, 221430), (2904, 219905), (3080, 207339), (3090, 206668), (3355, 190344), (3388, 188490), (3399, 187880), (3416, 186945), (3605, 177144), (3630, 175924), (3660, 174482), (4026, 158620), (4120, 155001), (4235, 150792), (4270, 149556), (4326, 147620), (4532, 140910), (4620, 138226), (4697, 135960), (4840, 131943), (5082, 125660), (5124, 124630), (5368, 118965), (5665, 112728), (5768, 110715), (6180, 103334), (6283, 101640), (6405, 99704), (6710, 95172), (6776, 94245), (6798, 93940), (7210, 88572), (7260, 87962), (7320, 87241), (7381, 86520), (7931, 80520), (8052, 79310), (8470, 75396), (8540, 74778), (8652, 73810), (9064, 70455), (9240, 69113), (9394, 67980), (10065, 63448), (10164, 62830), (10248, 62315), (10815, 59048), (11330, 56364), (12360, 51667), (12463, 51240), (12566, 50820), (12705, 50264), (12810, 49852), (13420, 47586), (13596, 46970), (14091, 45320), (14420, 44286), (14520, 43981), (14762, 43260), (15862, 40260), (16104, 39655), (16940, 37698), (16995, 37576), (17080, 37389), (17304, 36905), (18788, 33990), (18849, 33880), (20130, 31724), (20328, 31415), (21630, 29524), (22143, 28840), (22660, 28182), (23485, 27192), (23793, 26840), (24926, 25620), (25132, 25410)]