72215080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{739}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 186480000

約数和(自身を除く): 114264920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 739, 1396, 1478, 1745, 2443, 2792, 2956, 3490, 3695, 4886, 5173, 5912, 6980, 7390, 9772, 10346, 12215, 13960, 14780, 19544, 20692, 24430, 25865, 29560, 41384, 48860, 51730, 97720, 103460, 206920, 257911, 515822, 1031644, 1289555, 1805377, 2063288, 2579110, 3610754, 5158220, 7221508, 9026885, 10316440, 14443016, 18053770, 36107540, 72215080]

約数ペア:

[(1, 72215080), (2, 36107540), (4, 18053770), (5, 14443016), (7, 10316440), (8, 9026885), (10, 7221508), (14, 5158220), (20, 3610754), (28, 2579110), (35, 2063288), (40, 1805377), (56, 1289555), (70, 1031644), (140, 515822), (280, 257911), (349, 206920), (698, 103460), (739, 97720), (1396, 51730), (1478, 48860), (1745, 41384), (2443, 29560), (2792, 25865), (2956, 24430), (3490, 20692), (3695, 19544), (4886, 14780), (5173, 13960), (5912, 12215), (6980, 10346), (7390, 9772)]