221676840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{727}}^1$

素因数の和:773

約数の個数: 288

約数和(自身を含む): 906272640

約数和(自身を除く): 684595800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 121, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 242, 252, 264, 280, 308, 315, 330, 360, 363, 385, 396, 420, 440, 462, 484, 495, 504, 605, 616, 630, 660, 693, 726, 727, 770, 792, 840, 847, 924, 968, 990, 1089, 1155, 1210, 1260, 1320, 1386, 1452, 1454, 1540, 1694, 1815, 1848, 1980, 2178, 2181, 2310, 2420, 2520, 2541, 2772, 2904, 2908, 3080, 3388, 3465, 3630, 3635, 3960, 4235, 4356, 4362, 4620, 4840, 5082, 5089, 5445, 5544, 5816, 6543, 6776, 6930, 7260, 7270, 7623, 7997, 8470, 8712, 8724, 9240, 10164, 10178, 10890, 10905, 12705, 13086, 13860, 14520, 14540, 15246, 15267, 15994, 16940, 17448, 20328, 20356, 21780, 21810, 23991, 25410, 25445, 26172, 27720, 29080, 30492, 30534, 31988, 32715, 33880, 38115, 39985, 40712, 43560, 43620, 45801, 47982, 50820, 50890, 52344, 55979, 60984, 61068, 63976, 65430, 71973, 76230, 76335, 79970, 87240, 87967, 91602, 95964, 101640, 101780, 111958, 119955, 122136, 130860, 143946, 152460, 152670, 159940, 167937, 175934, 183204, 191928, 203560, 223916, 229005, 239910, 261720, 263901, 279895, 287892, 304920, 305340, 319880, 335874, 351868, 359865, 366408, 439835, 447832, 458010, 479820, 503811, 527802, 559790, 575784, 610680, 615769, 671748, 703736, 719730, 791703, 839685, 879670, 916020, 959640, 1007622, 1055604, 1119580, 1231538, 1319505, 1343496, 1439460, 1583406, 1679370, 1759340, 1832040, 1847307, 2015244, 2111208, 2239160, 2463076, 2519055, 2639010, 2878920, 3078845, 3166812, 3358740, 3518680, 3694614, 3958515, 4030488, 4926152, 5038110, 5278020, 5541921, 6157690, 6333624, 6717480, 7389228, 7917030, 9236535, 10076220, 10556040, 11083842, 12315380, 14778456, 15834060, 18473070, 20152440, 22167684, 24630760, 27709605, 31668120, 36946140, 44335368, 55419210, 73892280, 110838420, 221676840]

約数ペア:

[(1, 221676840), (2, 110838420), (3, 73892280), (4, 55419210), (5, 44335368), (6, 36946140), (7, 31668120), (8, 27709605), (9, 24630760), (10, 22167684), (11, 20152440), (12, 18473070), (14, 15834060), (15, 14778456), (18, 12315380), (20, 11083842), (21, 10556040), (22, 10076220), (24, 9236535), (28, 7917030), (30, 7389228), (33, 6717480), (35, 6333624), (36, 6157690), (40, 5541921), (42, 5278020), (44, 5038110), (45, 4926152), (55, 4030488), (56, 3958515), (60, 3694614), (63, 3518680), (66, 3358740), (70, 3166812), (72, 3078845), (77, 2878920), (84, 2639010), (88, 2519055), (90, 2463076), (99, 2239160), (105, 2111208), (110, 2015244), (120, 1847307), (121, 1832040), (126, 1759340), (132, 1679370), (140, 1583406), (154, 1439460), (165, 1343496), (168, 1319505), (180, 1231538), (198, 1119580), (210, 1055604), (220, 1007622), (231, 959640), (242, 916020), (252, 879670), (264, 839685), (280, 791703), (308, 719730), (315, 703736), (330, 671748), (360, 615769), (363, 610680), (385, 575784), (396, 559790), (420, 527802), (440, 503811), (462, 479820), (484, 458010), (495, 447832), (504, 439835), (605, 366408), (616, 359865), (630, 351868), (660, 335874), (693, 319880), (726, 305340), (727, 304920), (770, 287892), (792, 279895), (840, 263901), (847, 261720), (924, 239910), (968, 229005), (990, 223916), (1089, 203560), (1155, 191928), (1210, 183204), (1260, 175934), (1320, 167937), (1386, 159940), (1452, 152670), (1454, 152460), (1540, 143946), (1694, 130860), (1815, 122136), (1848, 119955), (1980, 111958), (2178, 101780), (2181, 101640), (2310, 95964), (2420, 91602), (2520, 87967), (2541, 87240), (2772, 79970), (2904, 76335), (2908, 76230), (3080, 71973), (3388, 65430), (3465, 63976), (3630, 61068), (3635, 60984), (3960, 55979), (4235, 52344), (4356, 50890), (4362, 50820), (4620, 47982), (4840, 45801), (5082, 43620), (5089, 43560), (5445, 40712), (5544, 39985), (5816, 38115), (6543, 33880), (6776, 32715), (6930, 31988), (7260, 30534), (7270, 30492), (7623, 29080), (7997, 27720), (8470, 26172), (8712, 25445), (8724, 25410), (9240, 23991), (10164, 21810), (10178, 21780), (10890, 20356), (10905, 20328), (12705, 17448), (13086, 16940), (13860, 15994), (14520, 15267), (14540, 15246)]