1680494618920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7741}}^1\times {\mathrm{7877}}^1$

素因数の和:15695

約数の個数: 128

約数和(自身を含む): 4149860027040

約数和(自身を除く): 2469365408120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 7741, 7877, 13780, 15482, 15754, 27560, 30964, 31508, 38705, 39385, 61928, 63016, 77410, 78770, 100633, 102401, 154820, 157540, 201266, 204802, 309640, 315080, 402532, 409604, 410273, 417481, 503165, 512005, 805064, 819208, 820546, 834962, 1006330, 1024010, 1641092, 1669924, 2012660, 2048020, 2051365, 2087405, 3282184, 3339848, 4025320, 4096040, 4102730, 4174810, 5333549, 5427253, 8205460, 8349620, 10667098, 10854506, 16410920, 16699240, 21334196, 21709012, 26667745, 27136265, 42668392, 43418024, 53335490, 54272530, 60975857, 106670980, 108545060, 121951714, 213341960, 217090120, 243903428, 304879285, 487806856, 609758570, 792686141, 1219517140, 1585372282, 2439034280, 3170744564, 3231720421, 3963430705, 6341489128, 6463440842, 7926861410, 12926881684, 15853722820, 16158602105, 25853763368, 31707445640, 32317204210, 42012365473, 64634408420, 84024730946, 129268816840, 168049461892, 210061827365, 336098923784, 420123654730, 840247309460, 1680494618920]

約数ペア:

[(1, 1680494618920), (2, 840247309460), (4, 420123654730), (5, 336098923784), (8, 210061827365), (10, 168049461892), (13, 129268816840), (20, 84024730946), (26, 64634408420), (40, 42012365473), (52, 32317204210), (53, 31707445640), (65, 25853763368), (104, 16158602105), (106, 15853722820), (130, 12926881684), (212, 7926861410), (260, 6463440842), (265, 6341489128), (424, 3963430705), (520, 3231720421), (530, 3170744564), (689, 2439034280), (1060, 1585372282), (1378, 1219517140), (2120, 792686141), (2756, 609758570), (3445, 487806856), (5512, 304879285), (6890, 243903428), (7741, 217090120), (7877, 213341960), (13780, 121951714), (15482, 108545060), (15754, 106670980), (27560, 60975857), (30964, 54272530), (31508, 53335490), (38705, 43418024), (39385, 42668392), (61928, 27136265), (63016, 26667745), (77410, 21709012), (78770, 21334196), (100633, 16699240), (102401, 16410920), (154820, 10854506), (157540, 10667098), (201266, 8349620), (204802, 8205460), (309640, 5427253), (315080, 5333549), (402532, 4174810), (409604, 4102730), (410273, 4096040), (417481, 4025320), (503165, 3339848), (512005, 3282184), (805064, 2087405), (819208, 2051365), (820546, 2048020), (834962, 2012660), (1006330, 1669924), (1024010, 1641092)]