65530720

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^2\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 72

約数和(自身を含む): 160668144

約数和(自身を除く): 95137424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 487, 580, 841, 928, 974, 1160, 1682, 1948, 2320, 2435, 3364, 3896, 4205, 4640, 4870, 6728, 7792, 8410, 9740, 13456, 14123, 15584, 16820, 19480, 26912, 28246, 33640, 38960, 56492, 67280, 70615, 77920, 112984, 134560, 141230, 225968, 282460, 409567, 451936, 564920, 819134, 1129840, 1638268, 2047835, 2259680, 3276536, 4095670, 6553072, 8191340, 13106144, 16382680, 32765360, 65530720]

約数ペア:

[(1, 65530720), (2, 32765360), (4, 16382680), (5, 13106144), (8, 8191340), (10, 6553072), (16, 4095670), (20, 3276536), (29, 2259680), (32, 2047835), (40, 1638268), (58, 1129840), (80, 819134), (116, 564920), (145, 451936), (160, 409567), (232, 282460), (290, 225968), (464, 141230), (487, 134560), (580, 112984), (841, 77920), (928, 70615), (974, 67280), (1160, 56492), (1682, 38960), (1948, 33640), (2320, 28246), (2435, 26912), (3364, 19480), (3896, 16820), (4205, 15584), (4640, 14123), (4870, 13456), (6728, 9740), (7792, 8410)]