165667720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 423014400

約数和(自身を除く): 257346680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 31, 34, 40, 58, 62, 68, 85, 116, 124, 136, 145, 155, 170, 232, 248, 271, 290, 310, 340, 493, 527, 542, 580, 620, 680, 899, 986, 1054, 1084, 1160, 1240, 1355, 1798, 1972, 2108, 2168, 2465, 2635, 2710, 3596, 3944, 4216, 4495, 4607, 4930, 5270, 5420, 7192, 7859, 8401, 8990, 9214, 9860, 10540, 10840, 15283, 15718, 16802, 17980, 18428, 19720, 21080, 23035, 30566, 31436, 33604, 35960, 36856, 39295, 42005, 46070, 61132, 62872, 67208, 76415, 78590, 84010, 92140, 122264, 133603, 142817, 152830, 157180, 168020, 184280, 243629, 267206, 285634, 305660, 314360, 336040, 487258, 534412, 571268, 611320, 668015, 714085, 974516, 1068824, 1142536, 1218145, 1336030, 1428170, 1949032, 2436290, 2672060, 2856340, 4141693, 4872580, 5344120, 5712680, 8283386, 9745160, 16566772, 20708465, 33133544, 41416930, 82833860, 165667720]

約数ペア:

[(1, 165667720), (2, 82833860), (4, 41416930), (5, 33133544), (8, 20708465), (10, 16566772), (17, 9745160), (20, 8283386), (29, 5712680), (31, 5344120), (34, 4872580), (40, 4141693), (58, 2856340), (62, 2672060), (68, 2436290), (85, 1949032), (116, 1428170), (124, 1336030), (136, 1218145), (145, 1142536), (155, 1068824), (170, 974516), (232, 714085), (248, 668015), (271, 611320), (290, 571268), (310, 534412), (340, 487258), (493, 336040), (527, 314360), (542, 305660), (580, 285634), (620, 267206), (680, 243629), (899, 184280), (986, 168020), (1054, 157180), (1084, 152830), (1160, 142817), (1240, 133603), (1355, 122264), (1798, 92140), (1972, 84010), (2108, 78590), (2168, 76415), (2465, 67208), (2635, 62872), (2710, 61132), (3596, 46070), (3944, 42005), (4216, 39295), (4495, 36856), (4607, 35960), (4930, 33604), (5270, 31436), (5420, 30566), (7192, 23035), (7859, 21080), (8401, 19720), (8990, 18428), (9214, 17980), (9860, 16802), (10540, 15718), (10840, 15283)]