1400280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1667}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 4803840

約数和(自身を除く): 3403560

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, 1667, 3334, 5001, 6668, 8335, 10002, 11669, 13336, 16670, 20004, 23338, 25005, 33340, 35007, 40008, 46676, 50010, 58345, 66680, 70014, 93352, 100020, 116690, 140028, 175035, 200040, 233380, 280056, 350070, 466760, 700140, 1400280]

約数ペア:

[(1, 1400280), (2, 700140), (3, 466760), (4, 350070), (5, 280056), (6, 233380), (7, 200040), (8, 175035), (10, 140028), (12, 116690), (14, 100020), (15, 93352), (20, 70014), (21, 66680), (24, 58345), (28, 50010), (30, 46676), (35, 40008), (40, 35007), (42, 33340), (56, 25005), (60, 23338), (70, 20004), (84, 16670), (105, 13336), (120, 11669), (140, 10002), (168, 8335), (210, 6668), (280, 5001), (420, 3334), (840, 1667)]