87507160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 236779200

約数和(自身を除く): 149272040

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 520, 521, 646, 680, 760, 884, 988, 1042, 1105, 1235, 1292, 1615, 1768, 1976, 2084, 2210, 2470, 2584, 2605, 3230, 4168, 4199, 4420, 4940, 5210, 6460, 6773, 8398, 8840, 8857, 9880, 9899, 10420, 12920, 13546, 16796, 17714, 19798, 20840, 20995, 27092, 33592, 33865, 35428, 39596, 41990, 44285, 49495, 54184, 67730, 70856, 79192, 83980, 88570, 98990, 115141, 128687, 135460, 167960, 168283, 177140, 197980, 230282, 257374, 270920, 336566, 354280, 395960, 460564, 514748, 575705, 643435, 673132, 841415, 921128, 1029496, 1151410, 1286870, 1346264, 1682830, 2187679, 2302820, 2573740, 3365660, 4375358, 4605640, 5147480, 6731320, 8750716, 10938395, 17501432, 21876790, 43753580, 87507160]

約数ペア:

[(1, 87507160), (2, 43753580), (4, 21876790), (5, 17501432), (8, 10938395), (10, 8750716), (13, 6731320), (17, 5147480), (19, 4605640), (20, 4375358), (26, 3365660), (34, 2573740), (38, 2302820), (40, 2187679), (52, 1682830), (65, 1346264), (68, 1286870), (76, 1151410), (85, 1029496), (95, 921128), (104, 841415), (130, 673132), (136, 643435), (152, 575705), (170, 514748), (190, 460564), (221, 395960), (247, 354280), (260, 336566), (323, 270920), (340, 257374), (380, 230282), (442, 197980), (494, 177140), (520, 168283), (521, 167960), (646, 135460), (680, 128687), (760, 115141), (884, 98990), (988, 88570), (1042, 83980), (1105, 79192), (1235, 70856), (1292, 67730), (1615, 54184), (1768, 49495), (1976, 44285), (2084, 41990), (2210, 39596), (2470, 35428), (2584, 33865), (2605, 33592), (3230, 27092), (4168, 20995), (4199, 20840), (4420, 19798), (4940, 17714), (5210, 16796), (6460, 13546), (6773, 12920), (8398, 10420), (8840, 9899), (8857, 9880)]