127511680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6477

約数の個数: 64

約数和(自身を含む): 314714880

約数和(自身を除く): 187203200

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, 6427, 9920, 12854, 19840, 25708, 32135, 51416, 64270, 102832, 128540, 199237, 205664, 257080, 398474, 411328, 514160, 796948, 822656, 996185, 1028320, 1593896, 1992370, 2056640, 3187792, 3984740, 4113280, 6375584, 7969480, 12751168, 15938960, 25502336, 31877920, 63755840, 127511680]

約数ペア:

[(1, 127511680), (2, 63755840), (4, 31877920), (5, 25502336), (8, 15938960), (10, 12751168), (16, 7969480), (20, 6375584), (31, 4113280), (32, 3984740), (40, 3187792), (62, 2056640), (64, 1992370), (80, 1593896), (124, 1028320), (128, 996185), (155, 822656), (160, 796948), (248, 514160), (310, 411328), (320, 398474), (496, 257080), (620, 205664), (640, 199237), (992, 128540), (1240, 102832), (1984, 64270), (2480, 51416), (3968, 32135), (4960, 25708), (6427, 19840), (9920, 12854)]