15152020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 34666128

約数和(自身を除く): 19514108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 577, 1010, 1154, 1313, 2020, 2308, 2626, 2885, 5252, 5770, 6565, 7501, 11540, 13130, 15002, 26260, 30004, 37505, 58277, 75010, 116554, 150020, 233108, 291385, 582770, 757601, 1165540, 1515202, 3030404, 3788005, 7576010, 15152020]

約数ペア:

[(1, 15152020), (2, 7576010), (4, 3788005), (5, 3030404), (10, 1515202), (13, 1165540), (20, 757601), (26, 582770), (52, 291385), (65, 233108), (101, 150020), (130, 116554), (202, 75010), (260, 58277), (404, 37505), (505, 30004), (577, 26260), (1010, 15002), (1154, 13130), (1313, 11540), (2020, 7501), (2308, 6565), (2626, 5770), (2885, 5252)]