15928420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 36062208

約数和(自身を除く): 20133788

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1117, 1426, 2234, 2852, 3565, 4468, 5585, 7130, 11170, 14260, 22340, 25691, 34627, 51382, 69254, 102764, 128455, 138508, 173135, 256910, 346270, 513820, 692540, 796421, 1592842, 3185684, 3982105, 7964210, 15928420]

約数ペア:

[(1, 15928420), (2, 7964210), (4, 3982105), (5, 3185684), (10, 1592842), (20, 796421), (23, 692540), (31, 513820), (46, 346270), (62, 256910), (92, 173135), (115, 138508), (124, 128455), (155, 102764), (230, 69254), (310, 51382), (460, 34627), (620, 25691), (713, 22340), (1117, 14260), (1426, 11170), (2234, 7130), (2852, 5585), (3565, 4468)]