81832560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:711

約数の個数: 160

約数和(自身を含む): 277696512

約数和(自身を除く): 195863952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 647, 680, 744, 816, 930, 1020, 1054, 1240, 1294, 1360, 1488, 1581, 1860, 1941, 2040, 2108, 2480, 2588, 2635, 3162, 3235, 3720, 3882, 4080, 4216, 5176, 5270, 6324, 6470, 7440, 7764, 7905, 8432, 9705, 10352, 10540, 10999, 12648, 12940, 15528, 15810, 19410, 20057, 21080, 21998, 25296, 25880, 31056, 31620, 32997, 38820, 40114, 42160, 43996, 51760, 54995, 60171, 63240, 65994, 77640, 80228, 87992, 100285, 109990, 120342, 126480, 131988, 155280, 160456, 164985, 175984, 200570, 219980, 240684, 263976, 300855, 320912, 329970, 340969, 401140, 439960, 481368, 527952, 601710, 659940, 681938, 802280, 879920, 962736, 1022907, 1203420, 1319880, 1363876, 1604560, 1704845, 2045814, 2406840, 2639760, 2727752, 3409690, 4091628, 4813680, 5114535, 5455504, 6819380, 8183256, 10229070, 13638760, 16366512, 20458140, 27277520, 40916280, 81832560]

約数ペア:

[(1, 81832560), (2, 40916280), (3, 27277520), (4, 20458140), (5, 16366512), (6, 13638760), (8, 10229070), (10, 8183256), (12, 6819380), (15, 5455504), (16, 5114535), (17, 4813680), (20, 4091628), (24, 3409690), (30, 2727752), (31, 2639760), (34, 2406840), (40, 2045814), (48, 1704845), (51, 1604560), (60, 1363876), (62, 1319880), (68, 1203420), (80, 1022907), (85, 962736), (93, 879920), (102, 802280), (120, 681938), (124, 659940), (136, 601710), (155, 527952), (170, 481368), (186, 439960), (204, 401140), (240, 340969), (248, 329970), (255, 320912), (272, 300855), (310, 263976), (340, 240684), (372, 219980), (408, 200570), (465, 175984), (496, 164985), (510, 160456), (527, 155280), (620, 131988), (647, 126480), (680, 120342), (744, 109990), (816, 100285), (930, 87992), (1020, 80228), (1054, 77640), (1240, 65994), (1294, 63240), (1360, 60171), (1488, 54995), (1581, 51760), (1860, 43996), (1941, 42160), (2040, 40114), (2108, 38820), (2480, 32997), (2588, 31620), (2635, 31056), (3162, 25880), (3235, 25296), (3720, 21998), (3882, 21080), (4080, 20057), (4216, 19410), (5176, 15810), (5270, 15528), (6324, 12940), (6470, 12648), (7440, 10999), (7764, 10540), (7905, 10352), (8432, 9705)]