1551155240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1\times {\mathrm{1399}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 3565296000

約数和(自身を除く): 2014140760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 523, 530, 1046, 1060, 1399, 2092, 2120, 2615, 2798, 4184, 5230, 5596, 6995, 10460, 11192, 13990, 20920, 27719, 27980, 55438, 55960, 74147, 110876, 138595, 148294, 221752, 277190, 296588, 370735, 554380, 593176, 731677, 741470, 1108760, 1463354, 1482940, 2926708, 2965880, 3658385, 5853416, 7316770, 14633540, 29267080, 38778881, 77557762, 155115524, 193894405, 310231048, 387788810, 775577620, 1551155240]

約数ペア:

[(1, 1551155240), (2, 775577620), (4, 387788810), (5, 310231048), (8, 193894405), (10, 155115524), (20, 77557762), (40, 38778881), (53, 29267080), (106, 14633540), (212, 7316770), (265, 5853416), (424, 3658385), (523, 2965880), (530, 2926708), (1046, 1482940), (1060, 1463354), (1399, 1108760), (2092, 741470), (2120, 731677), (2615, 593176), (2798, 554380), (4184, 370735), (5230, 296588), (5596, 277190), (6995, 221752), (10460, 148294), (11192, 138595), (13990, 110876), (20920, 74147), (27719, 55960), (27980, 55438)]