30211740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12911}}^1$

素因数の和:12939

約数の個数: 72

約数和(自身を含む): 98699328

約数和(自身を除く): 68487588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12911, 25822, 38733, 51644, 64555, 77466, 116199, 129110, 154932, 167843, 193665, 232398, 258220, 335686, 387330, 464796, 503529, 580995, 671372, 774660, 839215, 1007058, 1161990, 1510587, 1678430, 2014116, 2323980, 2517645, 3021174, 3356860, 5035290, 6042348, 7552935, 10070580, 15105870, 30211740]

約数ペア:

[(1, 30211740), (2, 15105870), (3, 10070580), (4, 7552935), (5, 6042348), (6, 5035290), (9, 3356860), (10, 3021174), (12, 2517645), (13, 2323980), (15, 2014116), (18, 1678430), (20, 1510587), (26, 1161990), (30, 1007058), (36, 839215), (39, 774660), (45, 671372), (52, 580995), (60, 503529), (65, 464796), (78, 387330), (90, 335686), (117, 258220), (130, 232398), (156, 193665), (180, 167843), (195, 154932), (234, 129110), (260, 116199), (390, 77466), (468, 64555), (585, 51644), (780, 38733), (1170, 25822), (2340, 12911)]