64648920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{76963}}^1$

素因数の和:76984

約数の個数: 64

約数和(自身を含む): 221656320

約数和(自身を除く): 157007400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 76963, 153926, 230889, 307852, 384815, 461778, 538741, 615704, 769630, 923556, 1077482, 1154445, 1539260, 1616223, 1847112, 2154964, 2308890, 2693705, 3078520, 3232446, 4309928, 4617780, 5387410, 6464892, 8081115, 9235560, 10774820, 12929784, 16162230, 21549640, 32324460, 64648920]

約数ペア:

[(1, 64648920), (2, 32324460), (3, 21549640), (4, 16162230), (5, 12929784), (6, 10774820), (7, 9235560), (8, 8081115), (10, 6464892), (12, 5387410), (14, 4617780), (15, 4309928), (20, 3232446), (21, 3078520), (24, 2693705), (28, 2308890), (30, 2154964), (35, 1847112), (40, 1616223), (42, 1539260), (56, 1154445), (60, 1077482), (70, 923556), (84, 769630), (105, 615704), (120, 538741), (140, 461778), (168, 384815), (210, 307852), (280, 230889), (420, 153926), (840, 76963)]