210348540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2243}}^1$

素因数の和:2779

約数の個数: 72

約数和(自身を含む): 639566928

約数和(自身を除く): 429218388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1563, 2084, 2243, 2605, 3126, 4486, 4689, 5210, 6252, 6729, 7815, 8972, 9378, 10420, 11215, 13458, 15630, 18756, 20187, 22430, 23445, 26916, 31260, 33645, 40374, 44860, 46890, 67290, 80748, 93780, 100935, 134580, 201870, 403740, 1168603, 2337206, 3505809, 4674412, 5843015, 7011618, 10517427, 11686030, 14023236, 17529045, 21034854, 23372060, 35058090, 42069708, 52587135, 70116180, 105174270, 210348540]

約数ペア:

[(1, 210348540), (2, 105174270), (3, 70116180), (4, 52587135), (5, 42069708), (6, 35058090), (9, 23372060), (10, 21034854), (12, 17529045), (15, 14023236), (18, 11686030), (20, 10517427), (30, 7011618), (36, 5843015), (45, 4674412), (60, 3505809), (90, 2337206), (180, 1168603), (521, 403740), (1042, 201870), (1563, 134580), (2084, 100935), (2243, 93780), (2605, 80748), (3126, 67290), (4486, 46890), (4689, 44860), (5210, 40374), (6252, 33645), (6729, 31260), (7815, 26916), (8972, 23445), (9378, 22430), (10420, 20187), (11215, 18756), (13458, 15630)]