9742980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12491}}^1$

素因数の和:12516

約数の個数: 48

約数和(自身を含む): 29381184

約数和(自身を除く): 19638204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 12491, 24982, 37473, 49964, 62455, 74946, 124910, 149892, 162383, 187365, 249820, 324766, 374730, 487149, 649532, 749460, 811915, 974298, 1623830, 1948596, 2435745, 3247660, 4871490, 9742980]

約数ペア:

[(1, 9742980), (2, 4871490), (3, 3247660), (4, 2435745), (5, 1948596), (6, 1623830), (10, 974298), (12, 811915), (13, 749460), (15, 649532), (20, 487149), (26, 374730), (30, 324766), (39, 249820), (52, 187365), (60, 162383), (65, 149892), (78, 124910), (130, 74946), (156, 62455), (195, 49964), (260, 37473), (390, 24982), (780, 12491)]