80344160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 217755216

約数和(自身を除く): 137411056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 107, 130, 152, 160, 190, 208, 214, 247, 260, 304, 361, 380, 416, 428, 494, 520, 535, 608, 722, 760, 856, 988, 1040, 1070, 1235, 1391, 1444, 1520, 1712, 1805, 1976, 2033, 2080, 2140, 2470, 2782, 2888, 3040, 3424, 3610, 3952, 4066, 4280, 4693, 4940, 5564, 5776, 6955, 7220, 7904, 8132, 8560, 9386, 9880, 10165, 11128, 11552, 13910, 14440, 16264, 17120, 18772, 19760, 20330, 22256, 23465, 26429, 27820, 28880, 32528, 37544, 38627, 39520, 40660, 44512, 46930, 52858, 55640, 57760, 65056, 75088, 77254, 81320, 93860, 105716, 111280, 132145, 150176, 154508, 162640, 187720, 193135, 211432, 222560, 264290, 309016, 325280, 375440, 386270, 422864, 502151, 528580, 618032, 750880, 772540, 845728, 1004302, 1057160, 1236064, 1545080, 2008604, 2114320, 2510755, 3090160, 4017208, 4228640, 5021510, 6180320, 8034416, 10043020, 16068832, 20086040, 40172080, 80344160]

約数ペア:

[(1, 80344160), (2, 40172080), (4, 20086040), (5, 16068832), (8, 10043020), (10, 8034416), (13, 6180320), (16, 5021510), (19, 4228640), (20, 4017208), (26, 3090160), (32, 2510755), (38, 2114320), (40, 2008604), (52, 1545080), (65, 1236064), (76, 1057160), (80, 1004302), (95, 845728), (104, 772540), (107, 750880), (130, 618032), (152, 528580), (160, 502151), (190, 422864), (208, 386270), (214, 375440), (247, 325280), (260, 309016), (304, 264290), (361, 222560), (380, 211432), (416, 193135), (428, 187720), (494, 162640), (520, 154508), (535, 150176), (608, 132145), (722, 111280), (760, 105716), (856, 93860), (988, 81320), (1040, 77254), (1070, 75088), (1235, 65056), (1391, 57760), (1444, 55640), (1520, 52858), (1712, 46930), (1805, 44512), (1976, 40660), (2033, 39520), (2080, 38627), (2140, 37544), (2470, 32528), (2782, 28880), (2888, 27820), (3040, 26429), (3424, 23465), (3610, 22256), (3952, 20330), (4066, 19760), (4280, 18772), (4693, 17120), (4940, 16264), (5564, 14440), (5776, 13910), (6955, 11552), (7220, 11128), (7904, 10165), (8132, 9880), (8560, 9386)]