15753860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 34633200

約数和(自身を除く): 18879340

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 349, 370, 610, 698, 740, 1220, 1396, 1745, 2257, 3490, 4514, 6980, 9028, 11285, 12913, 21289, 22570, 25826, 42578, 45140, 51652, 64565, 85156, 106445, 129130, 212890, 258260, 425780, 787693, 1575386, 3150772, 3938465, 7876930, 15753860]

約数ペア:

[(1, 15753860), (2, 7876930), (4, 3938465), (5, 3150772), (10, 1575386), (20, 787693), (37, 425780), (61, 258260), (74, 212890), (122, 129130), (148, 106445), (185, 85156), (244, 64565), (305, 51652), (349, 45140), (370, 42578), (610, 25826), (698, 22570), (740, 21289), (1220, 12913), (1396, 11285), (1745, 9028), (2257, 6980), (3490, 4514)]