90191920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{953}}^1$

素因数の和:999

約数の個数: 120

約数和(自身を含む): 259778016

約数和(自身を除く): 169586096

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 728, 845, 910, 953, 1040, 1183, 1352, 1456, 1690, 1820, 1906, 2366, 2704, 3380, 3640, 3812, 4732, 4765, 5915, 6671, 6760, 7280, 7624, 9464, 9530, 11830, 12389, 13342, 13520, 15248, 18928, 19060, 23660, 24778, 26684, 33355, 38120, 47320, 49556, 53368, 61945, 66710, 76240, 86723, 94640, 99112, 106736, 123890, 133420, 161057, 173446, 198224, 247780, 266840, 322114, 346892, 433615, 495560, 533680, 644228, 693784, 805285, 867230, 991120, 1127399, 1288456, 1387568, 1610570, 1734460, 2254798, 2576912, 3221140, 3468920, 4509596, 5636995, 6442280, 6937840, 9019192, 11273990, 12884560, 18038384, 22547980, 45095960, 90191920]

約数ペア:

[(1, 90191920), (2, 45095960), (4, 22547980), (5, 18038384), (7, 12884560), (8, 11273990), (10, 9019192), (13, 6937840), (14, 6442280), (16, 5636995), (20, 4509596), (26, 3468920), (28, 3221140), (35, 2576912), (40, 2254798), (52, 1734460), (56, 1610570), (65, 1387568), (70, 1288456), (80, 1127399), (91, 991120), (104, 867230), (112, 805285), (130, 693784), (140, 644228), (169, 533680), (182, 495560), (208, 433615), (260, 346892), (280, 322114), (338, 266840), (364, 247780), (455, 198224), (520, 173446), (560, 161057), (676, 133420), (728, 123890), (845, 106736), (910, 99112), (953, 94640), (1040, 86723), (1183, 76240), (1352, 66710), (1456, 61945), (1690, 53368), (1820, 49556), (1906, 47320), (2366, 38120), (2704, 33355), (3380, 26684), (3640, 24778), (3812, 23660), (4732, 19060), (4765, 18928), (5915, 15248), (6671, 13520), (6760, 13342), (7280, 12389), (7624, 11830), (9464, 9530)]