15659780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 34957440

約数和(自身を除く): 19297660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 460, 577, 590, 1154, 1180, 1357, 2308, 2714, 2885, 5428, 5770, 6785, 11540, 13271, 13570, 26542, 27140, 34043, 53084, 66355, 68086, 132710, 136172, 170215, 265420, 340430, 680860, 782989, 1565978, 3131956, 3914945, 7829890, 15659780]

約数ペア:

[(1, 15659780), (2, 7829890), (4, 3914945), (5, 3131956), (10, 1565978), (20, 782989), (23, 680860), (46, 340430), (59, 265420), (92, 170215), (115, 136172), (118, 132710), (230, 68086), (236, 66355), (295, 53084), (460, 34043), (577, 27140), (590, 26542), (1154, 13570), (1180, 13271), (1357, 11540), (2308, 6785), (2714, 5770), (2885, 5428)]