31202220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10613}}^1$

素因数の和:10639

約数の個数: 72

約数和(自身を含む): 101639664

約数和(自身を除く): 70437444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10613, 21226, 31839, 42452, 53065, 63678, 74291, 106130, 127356, 148582, 159195, 212260, 222873, 297164, 318390, 371455, 445746, 520037, 636780, 742910, 891492, 1040074, 1114365, 1485820, 1560111, 2080148, 2228730, 2600185, 3120222, 4457460, 5200370, 6240444, 7800555, 10400740, 15601110, 31202220]

約数ペア:

[(1, 31202220), (2, 15601110), (3, 10400740), (4, 7800555), (5, 6240444), (6, 5200370), (7, 4457460), (10, 3120222), (12, 2600185), (14, 2228730), (15, 2080148), (20, 1560111), (21, 1485820), (28, 1114365), (30, 1040074), (35, 891492), (42, 742910), (49, 636780), (60, 520037), (70, 445746), (84, 371455), (98, 318390), (105, 297164), (140, 222873), (147, 212260), (196, 159195), (210, 148582), (245, 127356), (294, 106130), (420, 74291), (490, 63678), (588, 53065), (735, 42452), (980, 31839), (1470, 21226), (2940, 10613)]