615420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 2018016

約数和(自身を除く): 1402596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 263, 390, 468, 526, 585, 780, 789, 1052, 1170, 1315, 1578, 2340, 2367, 2630, 3156, 3419, 3945, 4734, 5260, 6838, 7890, 9468, 10257, 11835, 13676, 15780, 17095, 20514, 23670, 30771, 34190, 41028, 47340, 51285, 61542, 68380, 102570, 123084, 153855, 205140, 307710, 615420]

約数ペア:

[(1, 615420), (2, 307710), (3, 205140), (4, 153855), (5, 123084), (6, 102570), (9, 68380), (10, 61542), (12, 51285), (13, 47340), (15, 41028), (18, 34190), (20, 30771), (26, 23670), (30, 20514), (36, 17095), (39, 15780), (45, 13676), (52, 11835), (60, 10257), (65, 9468), (78, 7890), (90, 6838), (117, 5260), (130, 4734), (156, 3945), (180, 3419), (195, 3156), (234, 2630), (260, 2367), (263, 2340), (390, 1578), (468, 1315), (526, 1170), (585, 1052), (780, 789)]