68565840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40813}}^1$

素因数の和:40836

約数の個数: 80

約数和(自身を含む): 242924928

約数和(自身を除く): 174359088

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, 40813, 81626, 122439, 163252, 204065, 244878, 285691, 326504, 408130, 489756, 571382, 612195, 653008, 816260, 857073, 979512, 1142764, 1224390, 1428455, 1632520, 1714146, 1959024, 2285528, 2448780, 2856910, 3265040, 3428292, 4285365, 4571056, 4897560, 5713820, 6856584, 8570730, 9795120, 11427640, 13713168, 17141460, 22855280, 34282920, 68565840]

約数ペア:

[(1, 68565840), (2, 34282920), (3, 22855280), (4, 17141460), (5, 13713168), (6, 11427640), (7, 9795120), (8, 8570730), (10, 6856584), (12, 5713820), (14, 4897560), (15, 4571056), (16, 4285365), (20, 3428292), (21, 3265040), (24, 2856910), (28, 2448780), (30, 2285528), (35, 1959024), (40, 1714146), (42, 1632520), (48, 1428455), (56, 1224390), (60, 1142764), (70, 979512), (80, 857073), (84, 816260), (105, 653008), (112, 612195), (120, 571382), (140, 489756), (168, 408130), (210, 326504), (240, 285691), (280, 244878), (336, 204065), (420, 163252), (560, 122439), (840, 81626), (1680, 40813)]