1520776820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1733}}^1$

素因数の和:1877

約数の個数: 96

約数和(自身を含む): 3539440800

約数和(自身を除く): 2018663980

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 89, 116, 145, 170, 178, 290, 340, 356, 445, 493, 580, 890, 986, 1513, 1733, 1780, 1972, 2465, 2581, 3026, 3466, 4930, 5162, 6052, 6932, 7565, 8665, 9860, 10324, 12905, 15130, 17330, 25810, 29461, 30260, 34660, 43877, 50257, 51620, 58922, 87754, 100514, 117844, 147305, 154237, 175508, 201028, 219385, 251285, 294610, 308474, 438770, 502570, 589220, 616948, 771185, 854369, 877540, 1005140, 1542370, 1708738, 2622029, 3084740, 3417476, 4271845, 4472873, 5244058, 8543690, 8945746, 10488116, 13110145, 17087380, 17891492, 22364365, 26220290, 44728730, 52440580, 76038841, 89457460, 152077682, 304155364, 380194205, 760388410, 1520776820]

約数ペア:

[(1, 1520776820), (2, 760388410), (4, 380194205), (5, 304155364), (10, 152077682), (17, 89457460), (20, 76038841), (29, 52440580), (34, 44728730), (58, 26220290), (68, 22364365), (85, 17891492), (89, 17087380), (116, 13110145), (145, 10488116), (170, 8945746), (178, 8543690), (290, 5244058), (340, 4472873), (356, 4271845), (445, 3417476), (493, 3084740), (580, 2622029), (890, 1708738), (986, 1542370), (1513, 1005140), (1733, 877540), (1780, 854369), (1972, 771185), (2465, 616948), (2581, 589220), (3026, 502570), (3466, 438770), (4930, 308474), (5162, 294610), (6052, 251285), (6932, 219385), (7565, 201028), (8665, 175508), (9860, 154237), (10324, 147305), (12905, 117844), (15130, 100514), (17330, 87754), (25810, 58922), (29461, 51620), (30260, 50257), (34660, 43877)]