31177380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39971}}^1$

素因数の和:39996

約数の個数: 48

約数和(自身を含む): 94014144

約数和(自身を除く): 62836764

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, 39971, 79942, 119913, 159884, 199855, 239826, 399710, 479652, 519623, 599565, 799420, 1039246, 1199130, 1558869, 2078492, 2398260, 2598115, 3117738, 5196230, 6235476, 7794345, 10392460, 15588690, 31177380]

約数ペア:

[(1, 31177380), (2, 15588690), (3, 10392460), (4, 7794345), (5, 6235476), (6, 5196230), (10, 3117738), (12, 2598115), (13, 2398260), (15, 2078492), (20, 1558869), (26, 1199130), (30, 1039246), (39, 799420), (52, 599565), (60, 519623), (65, 479652), (78, 399710), (130, 239826), (156, 199855), (195, 159884), (260, 119913), (390, 79942), (780, 39971)]