19673080960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{14159}}^1$

素因数の和:14358

約数の個数: 128

約数和(自身を含む): 50955609600

約数和(自身を除く): 31282528640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 167, 208, 260, 320, 334, 416, 520, 640, 668, 832, 835, 1040, 1336, 1664, 1670, 2080, 2171, 2672, 3340, 4160, 4342, 5344, 6680, 8320, 8684, 10688, 10855, 13360, 14159, 17368, 21376, 21710, 26720, 28318, 34736, 43420, 53440, 56636, 69472, 70795, 86840, 106880, 113272, 138944, 141590, 173680, 184067, 226544, 277888, 283180, 347360, 368134, 453088, 566360, 694720, 736268, 906176, 920335, 1132720, 1389440, 1472536, 1812352, 1840670, 2265440, 2364553, 2945072, 3681340, 4530880, 4729106, 5890144, 7362680, 9061760, 9458212, 11780288, 11822765, 14725360, 18916424, 23560576, 23645530, 29450720, 30739189, 37832848, 47291060, 58901440, 61478378, 75665696, 94582120, 117802880, 122956756, 151331392, 153695945, 189164240, 245913512, 302662784, 307391890, 378328480, 491827024, 614783780, 756656960, 983654048, 1229567560, 1513313920, 1967308096, 2459135120, 3934616192, 4918270240, 9836540480, 19673080960]

約数ペア:

[(1, 19673080960), (2, 9836540480), (4, 4918270240), (5, 3934616192), (8, 2459135120), (10, 1967308096), (13, 1513313920), (16, 1229567560), (20, 983654048), (26, 756656960), (32, 614783780), (40, 491827024), (52, 378328480), (64, 307391890), (65, 302662784), (80, 245913512), (104, 189164240), (128, 153695945), (130, 151331392), (160, 122956756), (167, 117802880), (208, 94582120), (260, 75665696), (320, 61478378), (334, 58901440), (416, 47291060), (520, 37832848), (640, 30739189), (668, 29450720), (832, 23645530), (835, 23560576), (1040, 18916424), (1336, 14725360), (1664, 11822765), (1670, 11780288), (2080, 9458212), (2171, 9061760), (2672, 7362680), (3340, 5890144), (4160, 4729106), (4342, 4530880), (5344, 3681340), (6680, 2945072), (8320, 2364553), (8684, 2265440), (10688, 1840670), (10855, 1812352), (13360, 1472536), (14159, 1389440), (17368, 1132720), (21376, 920335), (21710, 906176), (26720, 736268), (28318, 694720), (34736, 566360), (43420, 453088), (53440, 368134), (56636, 347360), (69472, 283180), (70795, 277888), (86840, 226544), (106880, 184067), (113272, 173680), (138944, 141590)]