7271820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 22407840

約数和(自身を除く): 15136020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 569, 639, 710, 852, 1065, 1138, 1278, 1420, 1707, 2130, 2276, 2556, 2845, 3195, 3414, 4260, 5121, 5690, 6390, 6828, 8535, 10242, 11380, 12780, 17070, 20484, 25605, 34140, 40399, 51210, 80798, 102420, 121197, 161596, 201995, 242394, 363591, 403990, 484788, 605985, 727182, 807980, 1211970, 1454364, 1817955, 2423940, 3635910, 7271820]

約数ペア:

[(1, 7271820), (2, 3635910), (3, 2423940), (4, 1817955), (5, 1454364), (6, 1211970), (9, 807980), (10, 727182), (12, 605985), (15, 484788), (18, 403990), (20, 363591), (30, 242394), (36, 201995), (45, 161596), (60, 121197), (71, 102420), (90, 80798), (142, 51210), (180, 40399), (213, 34140), (284, 25605), (355, 20484), (426, 17070), (569, 12780), (639, 11380), (710, 10242), (852, 8535), (1065, 6828), (1138, 6390), (1278, 5690), (1420, 5121), (1707, 4260), (2130, 3414), (2276, 3195), (2556, 2845)]