627360640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 1568286720

約数和(自身を除く): 940926080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 103, 124, 128, 155, 160, 206, 248, 307, 310, 320, 412, 496, 515, 614, 620, 640, 824, 992, 1030, 1228, 1240, 1535, 1648, 1984, 2060, 2456, 2480, 3070, 3193, 3296, 3968, 4120, 4912, 4960, 6140, 6386, 6592, 8240, 9517, 9824, 9920, 12280, 12772, 13184, 15965, 16480, 19034, 19648, 19840, 24560, 25544, 31621, 31930, 32960, 38068, 39296, 47585, 49120, 51088, 63242, 63860, 65920, 76136, 95170, 98240, 102176, 126484, 127720, 152272, 158105, 190340, 196480, 204352, 252968, 255440, 304544, 316210, 380680, 408704, 505936, 510880, 609088, 632420, 761360, 980251, 1011872, 1021760, 1218176, 1264840, 1522720, 1960502, 2023744, 2043520, 2529680, 3045440, 3921004, 4047488, 4901255, 5059360, 6090880, 7842008, 9802510, 10118720, 15684016, 19605020, 20237440, 31368032, 39210040, 62736064, 78420080, 125472128, 156840160, 313680320, 627360640]

約数ペア:

[(1, 627360640), (2, 313680320), (4, 156840160), (5, 125472128), (8, 78420080), (10, 62736064), (16, 39210040), (20, 31368032), (31, 20237440), (32, 19605020), (40, 15684016), (62, 10118720), (64, 9802510), (80, 7842008), (103, 6090880), (124, 5059360), (128, 4901255), (155, 4047488), (160, 3921004), (206, 3045440), (248, 2529680), (307, 2043520), (310, 2023744), (320, 1960502), (412, 1522720), (496, 1264840), (515, 1218176), (614, 1021760), (620, 1011872), (640, 980251), (824, 761360), (992, 632420), (1030, 609088), (1228, 510880), (1240, 505936), (1535, 408704), (1648, 380680), (1984, 316210), (2060, 304544), (2456, 255440), (2480, 252968), (3070, 204352), (3193, 196480), (3296, 190340), (3968, 158105), (4120, 152272), (4912, 127720), (4960, 126484), (6140, 102176), (6386, 98240), (6592, 95170), (8240, 76136), (9517, 65920), (9824, 63860), (9920, 63242), (12280, 51088), (12772, 49120), (13184, 47585), (15965, 39296), (16480, 38068), (19034, 32960), (19648, 31930), (19840, 31621), (24560, 25544)]