621420240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{369893}}^1$

素因数の和:369916

約数の個数: 80

約数和(自身を含む): 2201609088

約数和(自身を除く): 1580188848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 369893, 739786, 1109679, 1479572, 1849465, 2219358, 2589251, 2959144, 3698930, 4438716, 5178502, 5548395, 5918288, 7397860, 7767753, 8877432, 10357004, 11096790, 12946255, 14795720, 15535506, 17754864, 20714008, 22193580, 25892510, 29591440, 31071012, 38838765, 41428016, 44387160, 51785020, 62142024, 77677530, 88774320, 103570040, 124284048, 155355060, 207140080, 310710120, 621420240]

約数ペア:

[(1, 621420240), (2, 310710120), (3, 207140080), (4, 155355060), (5, 124284048), (6, 103570040), (7, 88774320), (8, 77677530), (10, 62142024), (12, 51785020), (14, 44387160), (15, 41428016), (16, 38838765), (20, 31071012), (21, 29591440), (24, 25892510), (28, 22193580), (30, 20714008), (35, 17754864), (40, 15535506), (42, 14795720), (48, 12946255), (56, 11096790), (60, 10357004), (70, 8877432), (80, 7767753), (84, 7397860), (105, 5918288), (112, 5548395), (120, 5178502), (140, 4438716), (168, 3698930), (210, 2959144), (240, 2589251), (280, 2219358), (336, 1849465), (420, 1479572), (560, 1109679), (840, 739786), (1680, 369893)]