141280640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7121}}^1$

素因数の和:7171

約数の個数: 64

約数和(自身を含む): 348693120

約数和(自身を除く): 207412480

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, 7121, 9920, 14242, 19840, 28484, 35605, 56968, 71210, 113936, 142420, 220751, 227872, 284840, 441502, 455744, 569680, 883004, 911488, 1103755, 1139360, 1766008, 2207510, 2278720, 3532016, 4415020, 4557440, 7064032, 8830040, 14128064, 17660080, 28256128, 35320160, 70640320, 141280640]

約数ペア:

[(1, 141280640), (2, 70640320), (4, 35320160), (5, 28256128), (8, 17660080), (10, 14128064), (16, 8830040), (20, 7064032), (31, 4557440), (32, 4415020), (40, 3532016), (62, 2278720), (64, 2207510), (80, 1766008), (124, 1139360), (128, 1103755), (155, 911488), (160, 883004), (248, 569680), (310, 455744), (320, 441502), (496, 284840), (620, 227872), (640, 220751), (992, 142420), (1240, 113936), (1984, 71210), (2480, 56968), (3968, 35605), (4960, 28484), (7121, 19840), (9920, 14242)]