72979480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3671}}^1$

素因数の和:3760

約数の個数: 64

約数和(自身を含む): 190356480

約数和(自身を除く): 117377000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3671, 3976, 4970, 7342, 9940, 14684, 18355, 19880, 25697, 29368, 36710, 51394, 73420, 102788, 128485, 146840, 205576, 256970, 260641, 513940, 521282, 1027880, 1042564, 1303205, 1824487, 2085128, 2606410, 3648974, 5212820, 7297948, 9122435, 10425640, 14595896, 18244870, 36489740, 72979480]

約数ペア:

[(1, 72979480), (2, 36489740), (4, 18244870), (5, 14595896), (7, 10425640), (8, 9122435), (10, 7297948), (14, 5212820), (20, 3648974), (28, 2606410), (35, 2085128), (40, 1824487), (56, 1303205), (70, 1042564), (71, 1027880), (140, 521282), (142, 513940), (280, 260641), (284, 256970), (355, 205576), (497, 146840), (568, 128485), (710, 102788), (994, 73420), (1420, 51394), (1988, 36710), (2485, 29368), (2840, 25697), (3671, 19880), (3976, 18355), (4970, 14684), (7342, 9940)]