71281560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{84859}}^1$

素因数の和:84880

約数の個数: 64

約数和(自身を含む): 244396800

約数和(自身を除く): 173115240

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, 84859, 169718, 254577, 339436, 424295, 509154, 594013, 678872, 848590, 1018308, 1188026, 1272885, 1697180, 1782039, 2036616, 2376052, 2545770, 2970065, 3394360, 3564078, 4752104, 5091540, 5940130, 7128156, 8910195, 10183080, 11880260, 14256312, 17820390, 23760520, 35640780, 71281560]

約数ペア:

[(1, 71281560), (2, 35640780), (3, 23760520), (4, 17820390), (5, 14256312), (6, 11880260), (7, 10183080), (8, 8910195), (10, 7128156), (12, 5940130), (14, 5091540), (15, 4752104), (20, 3564078), (21, 3394360), (24, 2970065), (28, 2545770), (30, 2376052), (35, 2036616), (40, 1782039), (42, 1697180), (56, 1272885), (60, 1188026), (70, 1018308), (84, 848590), (105, 678872), (120, 594013), (140, 509154), (168, 424295), (210, 339436), (280, 254577), (420, 169718), (840, 84859)]