15630820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1483}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 35900928

約数和(自身を除く): 20270108

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1483, 2108, 2635, 2966, 5270, 5932, 7415, 10540, 14830, 25211, 29660, 45973, 50422, 91946, 100844, 126055, 183892, 229865, 252110, 459730, 504220, 781541, 919460, 1563082, 3126164, 3907705, 7815410, 15630820]

約数ペア:

[(1, 15630820), (2, 7815410), (4, 3907705), (5, 3126164), (10, 1563082), (17, 919460), (20, 781541), (31, 504220), (34, 459730), (62, 252110), (68, 229865), (85, 183892), (124, 126055), (155, 100844), (170, 91946), (310, 50422), (340, 45973), (527, 29660), (620, 25211), (1054, 14830), (1483, 10540), (2108, 7415), (2635, 5932), (2966, 5270)]