31406760

素因数分解:

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

素因数の和:149

約数の個数: 288

約数和(自身を含む): 129467520

約数和(自身を除く): 98060760

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, 103, 105, 110, 120, 121, 126, 132, 140, 154, 165, 168, 180, 198, 206, 210, 220, 231, 242, 252, 264, 280, 308, 309, 315, 330, 360, 363, 385, 396, 412, 420, 440, 462, 484, 495, 504, 515, 605, 616, 618, 630, 660, 693, 721, 726, 770, 792, 824, 840, 847, 924, 927, 968, 990, 1030, 1089, 1133, 1155, 1210, 1236, 1260, 1320, 1386, 1442, 1452, 1540, 1545, 1694, 1815, 1848, 1854, 1980, 2060, 2163, 2178, 2266, 2310, 2420, 2472, 2520, 2541, 2772, 2884, 2904, 3080, 3090, 3388, 3399, 3465, 3605, 3630, 3708, 3960, 4120, 4235, 4326, 4356, 4532, 4620, 4635, 4840, 5082, 5445, 5544, 5665, 5768, 6180, 6489, 6776, 6798, 6930, 7210, 7260, 7416, 7623, 7931, 8470, 8652, 8712, 9064, 9240, 9270, 10164, 10197, 10815, 10890, 11330, 12360, 12463, 12705, 12978, 13596, 13860, 14420, 14520, 15246, 15862, 16940, 16995, 17304, 18540, 20328, 20394, 21630, 21780, 22660, 23793, 24926, 25410, 25956, 27192, 27720, 28840, 30492, 31724, 32445, 33880, 33990, 37080, 37389, 38115, 39655, 40788, 43260, 43560, 45320, 47586, 49852, 50820, 50985, 51912, 60984, 62315, 63448, 64890, 67980, 71379, 74778, 76230, 79310, 81576, 86520, 87241, 95172, 99704, 101640, 101970, 112167, 118965, 124630, 129780, 135960, 142758, 149556, 152460, 158620, 174482, 186945, 190344, 203940, 224334, 237930, 249260, 259560, 261723, 285516, 299112, 304920, 317240, 348964, 356895, 373890, 407880, 436205, 448668, 475860, 498520, 523446, 560835, 571032, 697928, 713790, 747780, 785169, 872410, 897336, 951720, 1046892, 1121670, 1308615, 1427580, 1495560, 1570338, 1744820, 2093784, 2243340, 2617230, 2855160, 3140676, 3489640, 3925845, 4486680, 5234460, 6281352, 7851690, 10468920, 15703380, 31406760]

約数ペア:

[(1, 31406760), (2, 15703380), (3, 10468920), (4, 7851690), (5, 6281352), (6, 5234460), (7, 4486680), (8, 3925845), (9, 3489640), (10, 3140676), (11, 2855160), (12, 2617230), (14, 2243340), (15, 2093784), (18, 1744820), (20, 1570338), (21, 1495560), (22, 1427580), (24, 1308615), (28, 1121670), (30, 1046892), (33, 951720), (35, 897336), (36, 872410), (40, 785169), (42, 747780), (44, 713790), (45, 697928), (55, 571032), (56, 560835), (60, 523446), (63, 498520), (66, 475860), (70, 448668), (72, 436205), (77, 407880), (84, 373890), (88, 356895), (90, 348964), (99, 317240), (103, 304920), (105, 299112), (110, 285516), (120, 261723), (121, 259560), (126, 249260), (132, 237930), (140, 224334), (154, 203940), (165, 190344), (168, 186945), (180, 174482), (198, 158620), (206, 152460), (210, 149556), (220, 142758), (231, 135960), (242, 129780), (252, 124630), (264, 118965), (280, 112167), (308, 101970), (309, 101640), (315, 99704), (330, 95172), (360, 87241), (363, 86520), (385, 81576), (396, 79310), (412, 76230), (420, 74778), (440, 71379), (462, 67980), (484, 64890), (495, 63448), (504, 62315), (515, 60984), (605, 51912), (616, 50985), (618, 50820), (630, 49852), (660, 47586), (693, 45320), (721, 43560), (726, 43260), (770, 40788), (792, 39655), (824, 38115), (840, 37389), (847, 37080), (924, 33990), (927, 33880), (968, 32445), (990, 31724), (1030, 30492), (1089, 28840), (1133, 27720), (1155, 27192), (1210, 25956), (1236, 25410), (1260, 24926), (1320, 23793), (1386, 22660), (1442, 21780), (1452, 21630), (1540, 20394), (1545, 20328), (1694, 18540), (1815, 17304), (1848, 16995), (1854, 16940), (1980, 15862), (2060, 15246), (2163, 14520), (2178, 14420), (2266, 13860), (2310, 13596), (2420, 12978), (2472, 12705), (2520, 12463), (2541, 12360), (2772, 11330), (2884, 10890), (2904, 10815), (3080, 10197), (3090, 10164), (3388, 9270), (3399, 9240), (3465, 9064), (3605, 8712), (3630, 8652), (3708, 8470), (3960, 7931), (4120, 7623), (4235, 7416), (4326, 7260), (4356, 7210), (4532, 6930), (4620, 6798), (4635, 6776), (4840, 6489), (5082, 6180), (5445, 5768), (5544, 5665)]