82906980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106291}}^1$

素因数の和:106316

約数の個数: 48

約数和(自身を含む): 249998784

約数和(自身を除く): 167091804

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, 106291, 212582, 318873, 425164, 531455, 637746, 1062910, 1275492, 1381783, 1594365, 2125820, 2763566, 3188730, 4145349, 5527132, 6377460, 6908915, 8290698, 13817830, 16581396, 20726745, 27635660, 41453490, 82906980]

約数ペア:

[(1, 82906980), (2, 41453490), (3, 27635660), (4, 20726745), (5, 16581396), (6, 13817830), (10, 8290698), (12, 6908915), (13, 6377460), (15, 5527132), (20, 4145349), (26, 3188730), (30, 2763566), (39, 2125820), (52, 1594365), (60, 1381783), (65, 1275492), (78, 1062910), (130, 637746), (156, 531455), (195, 425164), (260, 318873), (390, 212582), (780, 106291)]