215857260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{32411}}^1$

素因数の和:32463

約数の個数: 72

約数和(自身を含む): 672484176

約数和(自身を除く): 456626916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 32411, 64822, 97233, 129644, 162055, 194466, 291699, 324110, 388932, 486165, 583398, 648220, 972330, 1166796, 1199207, 1458495, 1944660, 2398414, 2916990, 3597621, 4796828, 5833980, 5996035, 7195242, 10792863, 11992070, 14390484, 17988105, 21585726, 23984140, 35976210, 43171452, 53964315, 71952420, 107928630, 215857260]

約数ペア:

[(1, 215857260), (2, 107928630), (3, 71952420), (4, 53964315), (5, 43171452), (6, 35976210), (9, 23984140), (10, 21585726), (12, 17988105), (15, 14390484), (18, 11992070), (20, 10792863), (30, 7195242), (36, 5996035), (37, 5833980), (45, 4796828), (60, 3597621), (74, 2916990), (90, 2398414), (111, 1944660), (148, 1458495), (180, 1199207), (185, 1166796), (222, 972330), (333, 648220), (370, 583398), (444, 486165), (555, 388932), (666, 324110), (740, 291699), (1110, 194466), (1332, 162055), (1665, 129644), (2220, 97233), (3330, 64822), (6660, 32411)]