161712040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 443232000

約数和(自身を除く): 281519960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 113, 133, 140, 152, 190, 226, 266, 269, 280, 380, 452, 532, 538, 565, 665, 760, 791, 904, 1064, 1076, 1130, 1330, 1345, 1582, 1883, 2147, 2152, 2260, 2660, 2690, 3164, 3766, 3955, 4294, 4520, 5111, 5320, 5380, 6328, 7532, 7910, 8588, 9415, 10222, 10735, 10760, 15029, 15064, 15820, 17176, 18830, 20444, 21470, 25555, 30058, 30397, 31640, 35777, 37660, 40888, 42940, 51110, 60116, 60794, 71554, 75145, 75320, 85880, 102220, 120232, 121588, 143108, 150290, 151985, 178885, 204440, 212779, 243176, 286216, 300580, 303970, 357770, 425558, 577543, 601160, 607940, 715540, 851116, 1063895, 1155086, 1215880, 1431080, 1702232, 2127790, 2310172, 2887715, 4042801, 4255580, 4620344, 5775430, 8085602, 8511160, 11550860, 16171204, 20214005, 23101720, 32342408, 40428010, 80856020, 161712040]

約数ペア:

[(1, 161712040), (2, 80856020), (4, 40428010), (5, 32342408), (7, 23101720), (8, 20214005), (10, 16171204), (14, 11550860), (19, 8511160), (20, 8085602), (28, 5775430), (35, 4620344), (38, 4255580), (40, 4042801), (56, 2887715), (70, 2310172), (76, 2127790), (95, 1702232), (113, 1431080), (133, 1215880), (140, 1155086), (152, 1063895), (190, 851116), (226, 715540), (266, 607940), (269, 601160), (280, 577543), (380, 425558), (452, 357770), (532, 303970), (538, 300580), (565, 286216), (665, 243176), (760, 212779), (791, 204440), (904, 178885), (1064, 151985), (1076, 150290), (1130, 143108), (1330, 121588), (1345, 120232), (1582, 102220), (1883, 85880), (2147, 75320), (2152, 75145), (2260, 71554), (2660, 60794), (2690, 60116), (3164, 51110), (3766, 42940), (3955, 40888), (4294, 37660), (4520, 35777), (5111, 31640), (5320, 30397), (5380, 30058), (6328, 25555), (7532, 21470), (7910, 20444), (8588, 18830), (9415, 17176), (10222, 15820), (10735, 15064), (10760, 15029)]