398453640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255419}}^1$

素因数の和:255446

約数の個数: 64

約数和(自身を含む): 1287316800

約数和(自身を除く): 888863160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 255419, 510838, 766257, 1021676, 1277095, 1532514, 2043352, 2554190, 3065028, 3320447, 3831285, 5108380, 6130056, 6640894, 7662570, 9961341, 10216760, 13281788, 15325140, 16602235, 19922682, 26563576, 30650280, 33204470, 39845364, 49806705, 66408940, 79690728, 99613410, 132817880, 199226820, 398453640]

約数ペア:

[(1, 398453640), (2, 199226820), (3, 132817880), (4, 99613410), (5, 79690728), (6, 66408940), (8, 49806705), (10, 39845364), (12, 33204470), (13, 30650280), (15, 26563576), (20, 19922682), (24, 16602235), (26, 15325140), (30, 13281788), (39, 10216760), (40, 9961341), (52, 7662570), (60, 6640894), (65, 6130056), (78, 5108380), (104, 3831285), (120, 3320447), (130, 3065028), (156, 2554190), (195, 2043352), (260, 1532514), (312, 1277095), (390, 1021676), (520, 766257), (780, 510838), (1560, 255419)]