68896138480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2136977}}^1$

素因数の和:2137034

約数の個数: 80

約数和(自身を含む): 178070102784

約数和(自身を除く): 109173964304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 2136977, 4273954, 8547908, 10684885, 17095816, 21369770, 27780701, 34191632, 42739540, 55561402, 66246287, 85479080, 111122804, 132492574, 138903505, 170958160, 222245608, 264985148, 277807010, 331231435, 444491216, 529970296, 555614020, 662462870, 861201731, 1059940592, 1111228040, 1324925740, 1722403462, 2222456080, 2649851480, 3444806924, 4306008655, 5299702960, 6889613848, 8612017310, 13779227696, 17224034620, 34448069240, 68896138480]

約数ペア:

[(1, 68896138480), (2, 34448069240), (4, 17224034620), (5, 13779227696), (8, 8612017310), (10, 6889613848), (13, 5299702960), (16, 4306008655), (20, 3444806924), (26, 2649851480), (31, 2222456080), (40, 1722403462), (52, 1324925740), (62, 1111228040), (65, 1059940592), (80, 861201731), (104, 662462870), (124, 555614020), (130, 529970296), (155, 444491216), (208, 331231435), (248, 277807010), (260, 264985148), (310, 222245608), (403, 170958160), (496, 138903505), (520, 132492574), (620, 111122804), (806, 85479080), (1040, 66246287), (1240, 55561402), (1612, 42739540), (2015, 34191632), (2480, 27780701), (3224, 21369770), (4030, 17095816), (6448, 10684885), (8060, 8547908), (16120, 4273954), (32240, 2136977)]