90688640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:710

約数の個数: 128

約数和(自身を含む): 256158720

約数和(自身を除く): 165470080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 653, 868, 896, 992, 1085, 1120, 1240, 1306, 1736, 1984, 2170, 2240, 2480, 2612, 3265, 3472, 3968, 4340, 4480, 4571, 4960, 5224, 6530, 6944, 8680, 9142, 9920, 10448, 13060, 13888, 17360, 18284, 19840, 20243, 20896, 22855, 26120, 27776, 34720, 36568, 40486, 41792, 45710, 52240, 69440, 73136, 80972, 83584, 91420, 101215, 104480, 138880, 141701, 146272, 161944, 182840, 202430, 208960, 283402, 292544, 323888, 365680, 404860, 417920, 566804, 585088, 647776, 708505, 731360, 809720, 1133608, 1295552, 1417010, 1462720, 1619440, 2267216, 2591104, 2834020, 2925440, 3238880, 4534432, 5668040, 6477760, 9068864, 11336080, 12955520, 18137728, 22672160, 45344320, 90688640]

約数ペア:

[(1, 90688640), (2, 45344320), (4, 22672160), (5, 18137728), (7, 12955520), (8, 11336080), (10, 9068864), (14, 6477760), (16, 5668040), (20, 4534432), (28, 3238880), (31, 2925440), (32, 2834020), (35, 2591104), (40, 2267216), (56, 1619440), (62, 1462720), (64, 1417010), (70, 1295552), (80, 1133608), (112, 809720), (124, 731360), (128, 708505), (140, 647776), (155, 585088), (160, 566804), (217, 417920), (224, 404860), (248, 365680), (280, 323888), (310, 292544), (320, 283402), (434, 208960), (448, 202430), (496, 182840), (560, 161944), (620, 146272), (640, 141701), (653, 138880), (868, 104480), (896, 101215), (992, 91420), (1085, 83584), (1120, 80972), (1240, 73136), (1306, 69440), (1736, 52240), (1984, 45710), (2170, 41792), (2240, 40486), (2480, 36568), (2612, 34720), (3265, 27776), (3472, 26120), (3968, 22855), (4340, 20896), (4480, 20243), (4571, 19840), (4960, 18284), (5224, 17360), (6530, 13888), (6944, 13060), (8680, 10448), (9142, 9920)]