668843240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2609}}^1$

素因数の和:2679

約数の個数: 128

約数和(自身を含む): 1775844000

約数和(自身を除く): 1107000760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 170, 221, 232, 260, 290, 340, 377, 442, 493, 520, 580, 680, 754, 884, 986, 1105, 1160, 1508, 1768, 1885, 1972, 2210, 2465, 2609, 3016, 3770, 3944, 4420, 4930, 5218, 6409, 7540, 8840, 9860, 10436, 12818, 13045, 15080, 19720, 20872, 25636, 26090, 32045, 33917, 44353, 51272, 52180, 64090, 67834, 75661, 88706, 104360, 128180, 135668, 151322, 169585, 177412, 221765, 256360, 271336, 302644, 339170, 354824, 378305, 443530, 576589, 605288, 678340, 756610, 887060, 983593, 1153178, 1286237, 1356680, 1513220, 1774120, 1967186, 2306356, 2572474, 2882945, 3026440, 3934372, 4612712, 4917965, 5144948, 5765890, 6431185, 7868744, 9835930, 10289896, 11531780, 12862370, 16721081, 19671860, 23063560, 25724740, 33442162, 39343720, 51449480, 66884324, 83605405, 133768648, 167210810, 334421620, 668843240]

約数ペア:

[(1, 668843240), (2, 334421620), (4, 167210810), (5, 133768648), (8, 83605405), (10, 66884324), (13, 51449480), (17, 39343720), (20, 33442162), (26, 25724740), (29, 23063560), (34, 19671860), (40, 16721081), (52, 12862370), (58, 11531780), (65, 10289896), (68, 9835930), (85, 7868744), (104, 6431185), (116, 5765890), (130, 5144948), (136, 4917965), (145, 4612712), (170, 3934372), (221, 3026440), (232, 2882945), (260, 2572474), (290, 2306356), (340, 1967186), (377, 1774120), (442, 1513220), (493, 1356680), (520, 1286237), (580, 1153178), (680, 983593), (754, 887060), (884, 756610), (986, 678340), (1105, 605288), (1160, 576589), (1508, 443530), (1768, 378305), (1885, 354824), (1972, 339170), (2210, 302644), (2465, 271336), (2609, 256360), (3016, 221765), (3770, 177412), (3944, 169585), (4420, 151322), (4930, 135668), (5218, 128180), (6409, 104360), (7540, 88706), (8840, 75661), (9860, 67834), (10436, 64090), (12818, 52180), (13045, 51272), (15080, 44353), (19720, 33917), (20872, 32045), (25636, 26090)]