213912540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{32119}}^1$

素因数の和:32171

約数の個数: 72

約数和(自身を含む): 666425760

約数和(自身を除く): 452513220

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, 32119, 64238, 96357, 128476, 160595, 192714, 289071, 321190, 385428, 481785, 578142, 642380, 963570, 1156284, 1188403, 1445355, 1927140, 2376806, 2890710, 3565209, 4753612, 5781420, 5942015, 7130418, 10695627, 11884030, 14260836, 17826045, 21391254, 23768060, 35652090, 42782508, 53478135, 71304180, 106956270, 213912540]

約数ペア:

[(1, 213912540), (2, 106956270), (3, 71304180), (4, 53478135), (5, 42782508), (6, 35652090), (9, 23768060), (10, 21391254), (12, 17826045), (15, 14260836), (18, 11884030), (20, 10695627), (30, 7130418), (36, 5942015), (37, 5781420), (45, 4753612), (60, 3565209), (74, 2890710), (90, 2376806), (111, 1927140), (148, 1445355), (180, 1188403), (185, 1156284), (222, 963570), (333, 642380), (370, 578142), (444, 481785), (555, 385428), (666, 321190), (740, 289071), (1110, 192714), (1332, 160595), (1665, 128476), (2220, 96357), (3330, 64238), (6660, 32119)]