91680640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4671

約数の個数: 64

約数和(自身を含む): 226293120

約数和(自身を除く): 134612480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4621, 4960, 9242, 9920, 18484, 19840, 23105, 36968, 46210, 73936, 92420, 143251, 147872, 184840, 286502, 295744, 369680, 573004, 591488, 716255, 739360, 1146008, 1432510, 1478720, 2292016, 2865020, 2957440, 4584032, 5730040, 9168064, 11460080, 18336128, 22920160, 45840320, 91680640]

約数ペア:

[(1, 91680640), (2, 45840320), (4, 22920160), (5, 18336128), (8, 11460080), (10, 9168064), (16, 5730040), (20, 4584032), (31, 2957440), (32, 2865020), (40, 2292016), (62, 1478720), (64, 1432510), (80, 1146008), (124, 739360), (128, 716255), (155, 591488), (160, 573004), (248, 369680), (310, 295744), (320, 286502), (496, 184840), (620, 147872), (640, 143251), (992, 92420), (1240, 73936), (1984, 46210), (2480, 36968), (3968, 23105), (4621, 19840), (4960, 18484), (9242, 9920)]