71221080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{84787}}^1$

素因数の和:84808

約数の個数: 64

約数和(自身を含む): 244189440

約数和(自身を除く): 172968360

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, 84787, 169574, 254361, 339148, 423935, 508722, 593509, 678296, 847870, 1017444, 1187018, 1271805, 1695740, 1780527, 2034888, 2374036, 2543610, 2967545, 3391480, 3561054, 4748072, 5087220, 5935090, 7122108, 8902635, 10174440, 11870180, 14244216, 17805270, 23740360, 35610540, 71221080]

約数ペア:

[(1, 71221080), (2, 35610540), (3, 23740360), (4, 17805270), (5, 14244216), (6, 11870180), (7, 10174440), (8, 8902635), (10, 7122108), (12, 5935090), (14, 5087220), (15, 4748072), (20, 3561054), (21, 3391480), (24, 2967545), (28, 2543610), (30, 2374036), (35, 2034888), (40, 1780527), (42, 1695740), (56, 1271805), (60, 1187018), (70, 1017444), (84, 847870), (105, 678296), (120, 593509), (140, 508722), (168, 423935), (210, 339148), (280, 254361), (420, 169574), (840, 84787)]