51670320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16561}}^1$

素因数の和:16590

約数の個数: 80

約数和(自身を含む): 172509792

約数和(自身を除く): 120839472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 16561, 33122, 49683, 66244, 82805, 99366, 132488, 165610, 198732, 215293, 248415, 264976, 331220, 397464, 430586, 496830, 645879, 662440, 794928, 861172, 993660, 1076465, 1291758, 1324880, 1722344, 1987320, 2152930, 2583516, 3229395, 3444688, 3974640, 4305860, 5167032, 6458790, 8611720, 10334064, 12917580, 17223440, 25835160, 51670320]

約数ペア:

[(1, 51670320), (2, 25835160), (3, 17223440), (4, 12917580), (5, 10334064), (6, 8611720), (8, 6458790), (10, 5167032), (12, 4305860), (13, 3974640), (15, 3444688), (16, 3229395), (20, 2583516), (24, 2152930), (26, 1987320), (30, 1722344), (39, 1324880), (40, 1291758), (48, 1076465), (52, 993660), (60, 861172), (65, 794928), (78, 662440), (80, 645879), (104, 496830), (120, 430586), (130, 397464), (156, 331220), (195, 264976), (208, 248415), (240, 215293), (260, 198732), (312, 165610), (390, 132488), (520, 99366), (624, 82805), (780, 66244), (1040, 49683), (1560, 33122), (3120, 16561)]