126321280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6367}}^1$

素因数の和:6417

約数の個数: 64

約数和(自身を含む): 311777280

約数和(自身を除く): 185456000

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, 4960, 6367, 9920, 12734, 19840, 25468, 31835, 50936, 63670, 101872, 127340, 197377, 203744, 254680, 394754, 407488, 509360, 789508, 814976, 986885, 1018720, 1579016, 1973770, 2037440, 3158032, 3947540, 4074880, 6316064, 7895080, 12632128, 15790160, 25264256, 31580320, 63160640, 126321280]

約数ペア:

[(1, 126321280), (2, 63160640), (4, 31580320), (5, 25264256), (8, 15790160), (10, 12632128), (16, 7895080), (20, 6316064), (31, 4074880), (32, 3947540), (40, 3158032), (62, 2037440), (64, 1973770), (80, 1579016), (124, 1018720), (128, 986885), (155, 814976), (160, 789508), (248, 509360), (310, 407488), (320, 394754), (496, 254680), (620, 203744), (640, 197377), (992, 127340), (1240, 101872), (1984, 63670), (2480, 50936), (3968, 31835), (4960, 25468), (6367, 19840), (9920, 12734)]