720909216

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{80747}}^1$

素因数の和:80794

約数の個数: 72

約数和(自身を含む): 2116243584

約数和(自身を除く): 1395334368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 80747, 161494, 242241, 322988, 484482, 645976, 726723, 968964, 1291952, 1453446, 1937928, 2503157, 2583904, 2906892, 3875856, 5006314, 5813784, 7509471, 7751712, 10012628, 11627568, 15018942, 20025256, 22528413, 23255136, 30037884, 40050512, 45056826, 60075768, 80101024, 90113652, 120151536, 180227304, 240303072, 360454608, 720909216]

約数ペア:

[(1, 720909216), (2, 360454608), (3, 240303072), (4, 180227304), (6, 120151536), (8, 90113652), (9, 80101024), (12, 60075768), (16, 45056826), (18, 40050512), (24, 30037884), (31, 23255136), (32, 22528413), (36, 20025256), (48, 15018942), (62, 11627568), (72, 10012628), (93, 7751712), (96, 7509471), (124, 5813784), (144, 5006314), (186, 3875856), (248, 2906892), (279, 2583904), (288, 2503157), (372, 1937928), (496, 1453446), (558, 1291952), (744, 968964), (992, 726723), (1116, 645976), (1488, 484482), (2232, 322988), (2976, 242241), (4464, 161494), (8928, 80747)]