842026380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^2$

素因数の和:2103

約数の個数: 72

約数和(自身を含む): 2541479472

約数和(自身を除く): 1699453092

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, 1039, 2078, 3117, 4156, 5195, 6234, 10390, 12468, 13507, 15585, 20780, 27014, 31170, 40521, 54028, 62340, 67535, 81042, 135070, 162084, 202605, 270140, 405210, 810420, 1079521, 2159042, 3238563, 4318084, 5397605, 6477126, 10795210, 12954252, 14033773, 16192815, 21590420, 28067546, 32385630, 42101319, 56135092, 64771260, 70168865, 84202638, 140337730, 168405276, 210506595, 280675460, 421013190, 842026380]

約数ペア:

[(1, 842026380), (2, 421013190), (3, 280675460), (4, 210506595), (5, 168405276), (6, 140337730), (10, 84202638), (12, 70168865), (13, 64771260), (15, 56135092), (20, 42101319), (26, 32385630), (30, 28067546), (39, 21590420), (52, 16192815), (60, 14033773), (65, 12954252), (78, 10795210), (130, 6477126), (156, 5397605), (195, 4318084), (260, 3238563), (390, 2159042), (780, 1079521), (1039, 810420), (2078, 405210), (3117, 270140), (4156, 202605), (5195, 162084), (6234, 135070), (10390, 81042), (12468, 67535), (13507, 62340), (15585, 54028), (20780, 40521), (27014, 31170)]