77172420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98939}}^1$

素因数の和:98964

約数の個数: 48

約数和(自身を含む): 232706880

約数和(自身を除く): 155534460

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, 98939, 197878, 296817, 395756, 494695, 593634, 989390, 1187268, 1286207, 1484085, 1978780, 2572414, 2968170, 3858621, 5144828, 5936340, 6431035, 7717242, 12862070, 15434484, 19293105, 25724140, 38586210, 77172420]

約数ペア:

[(1, 77172420), (2, 38586210), (3, 25724140), (4, 19293105), (5, 15434484), (6, 12862070), (10, 7717242), (12, 6431035), (13, 5936340), (15, 5144828), (20, 3858621), (26, 2968170), (30, 2572414), (39, 1978780), (52, 1484085), (60, 1286207), (65, 1187268), (78, 989390), (130, 593634), (156, 494695), (195, 395756), (260, 296817), (390, 197878), (780, 98939)]