87796720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 241056000

約数和(自身を除く): 153259280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 59, 76, 80, 88, 89, 95, 110, 118, 152, 176, 178, 190, 209, 220, 236, 295, 304, 356, 380, 418, 440, 445, 472, 590, 649, 712, 760, 836, 880, 890, 944, 979, 1045, 1121, 1180, 1298, 1424, 1520, 1672, 1691, 1780, 1958, 2090, 2242, 2360, 2596, 3245, 3344, 3382, 3560, 3916, 4180, 4484, 4720, 4895, 5192, 5251, 5605, 6490, 6764, 7120, 7832, 8360, 8455, 8968, 9790, 10384, 10502, 11210, 12331, 12980, 13528, 15664, 16720, 16910, 17936, 18601, 19580, 21004, 22420, 24662, 25960, 26255, 27056, 33820, 37202, 39160, 42008, 44840, 49324, 51920, 52510, 57761, 61655, 67640, 74404, 78320, 84016, 89680, 93005, 98648, 99769, 105020, 115522, 123310, 135280, 148808, 186010, 197296, 199538, 210040, 231044, 246620, 288805, 297616, 372020, 399076, 420080, 462088, 493240, 498845, 577610, 744040, 798152, 924176, 986480, 997690, 1097459, 1155220, 1488080, 1596304, 1995380, 2194918, 2310440, 3990760, 4389836, 4620880, 5487295, 7981520, 8779672, 10974590, 17559344, 21949180, 43898360, 87796720]

約数ペア:

[(1, 87796720), (2, 43898360), (4, 21949180), (5, 17559344), (8, 10974590), (10, 8779672), (11, 7981520), (16, 5487295), (19, 4620880), (20, 4389836), (22, 3990760), (38, 2310440), (40, 2194918), (44, 1995380), (55, 1596304), (59, 1488080), (76, 1155220), (80, 1097459), (88, 997690), (89, 986480), (95, 924176), (110, 798152), (118, 744040), (152, 577610), (176, 498845), (178, 493240), (190, 462088), (209, 420080), (220, 399076), (236, 372020), (295, 297616), (304, 288805), (356, 246620), (380, 231044), (418, 210040), (440, 199538), (445, 197296), (472, 186010), (590, 148808), (649, 135280), (712, 123310), (760, 115522), (836, 105020), (880, 99769), (890, 98648), (944, 93005), (979, 89680), (1045, 84016), (1121, 78320), (1180, 74404), (1298, 67640), (1424, 61655), (1520, 57761), (1672, 52510), (1691, 51920), (1780, 49324), (1958, 44840), (2090, 42008), (2242, 39160), (2360, 37202), (2596, 33820), (3245, 27056), (3344, 26255), (3382, 25960), (3560, 24662), (3916, 22420), (4180, 21004), (4484, 19580), (4720, 18601), (4895, 17936), (5192, 16910), (5251, 16720), (5605, 15664), (6490, 13528), (6764, 12980), (7120, 12331), (7832, 11210), (8360, 10502), (8455, 10384), (8968, 9790)]