312703020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{248177}}^1$

素因数の和:248199

約数の個数: 72

約数和(自身を含む): 1084041504

約数和(自身を除く): 771338484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 248177, 496354, 744531, 992708, 1240885, 1489062, 1737239, 2233593, 2481770, 2978124, 3474478, 3722655, 4467186, 4963540, 5211717, 6948956, 7445310, 8686195, 8934372, 10423434, 11167965, 14890620, 15635151, 17372390, 20846868, 22335930, 26058585, 31270302, 34744780, 44671860, 52117170, 62540604, 78175755, 104234340, 156351510, 312703020]

約数ペア:

[(1, 312703020), (2, 156351510), (3, 104234340), (4, 78175755), (5, 62540604), (6, 52117170), (7, 44671860), (9, 34744780), (10, 31270302), (12, 26058585), (14, 22335930), (15, 20846868), (18, 17372390), (20, 15635151), (21, 14890620), (28, 11167965), (30, 10423434), (35, 8934372), (36, 8686195), (42, 7445310), (45, 6948956), (60, 5211717), (63, 4963540), (70, 4467186), (84, 3722655), (90, 3474478), (105, 2978124), (126, 2481770), (140, 2233593), (180, 1737239), (210, 1489062), (252, 1240885), (315, 992708), (420, 744531), (630, 496354), (1260, 248177)]