128396520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{50951}}^1$

素因数の和:50975

約数の個数: 96

約数和(自身を含む): 476910720

約数和(自身を除く): 348514200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 50951, 101902, 152853, 203804, 254755, 305706, 356657, 407608, 458559, 509510, 611412, 713314, 764265, 917118, 1019020, 1069971, 1222824, 1426628, 1528530, 1783285, 1834236, 2038040, 2139942, 2292795, 2853256, 3057060, 3209913, 3566570, 3668472, 4279884, 4585590, 5349855, 6114120, 6419826, 7133140, 8559768, 9171180, 10699710, 12839652, 14266280, 16049565, 18342360, 21399420, 25679304, 32099130, 42798840, 64198260, 128396520]

約数ペア:

[(1, 128396520), (2, 64198260), (3, 42798840), (4, 32099130), (5, 25679304), (6, 21399420), (7, 18342360), (8, 16049565), (9, 14266280), (10, 12839652), (12, 10699710), (14, 9171180), (15, 8559768), (18, 7133140), (20, 6419826), (21, 6114120), (24, 5349855), (28, 4585590), (30, 4279884), (35, 3668472), (36, 3566570), (40, 3209913), (42, 3057060), (45, 2853256), (56, 2292795), (60, 2139942), (63, 2038040), (70, 1834236), (72, 1783285), (84, 1528530), (90, 1426628), (105, 1222824), (120, 1069971), (126, 1019020), (140, 917118), (168, 764265), (180, 713314), (210, 611412), (252, 509510), (280, 458559), (315, 407608), (360, 356657), (420, 305706), (504, 254755), (630, 203804), (840, 152853), (1260, 101902), (2520, 50951)]