66799980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28547}}^1$

素因数の和:28575

約数の個数: 72

約数和(自身を含む): 218220912

約数和(自身を除く): 151420932

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, 28547, 57094, 85641, 114188, 142735, 171282, 256923, 285470, 342564, 371111, 428205, 513846, 570940, 742222, 856410, 1027692, 1113333, 1284615, 1484444, 1712820, 1855555, 2226666, 2569230, 3339999, 3711110, 4453332, 5138460, 5566665, 6679998, 7422220, 11133330, 13359996, 16699995, 22266660, 33399990, 66799980]

約数ペア:

[(1, 66799980), (2, 33399990), (3, 22266660), (4, 16699995), (5, 13359996), (6, 11133330), (9, 7422220), (10, 6679998), (12, 5566665), (13, 5138460), (15, 4453332), (18, 3711110), (20, 3339999), (26, 2569230), (30, 2226666), (36, 1855555), (39, 1712820), (45, 1484444), (52, 1284615), (60, 1113333), (65, 1027692), (78, 856410), (90, 742222), (117, 570940), (130, 513846), (156, 428205), (180, 371111), (195, 342564), (234, 285470), (260, 256923), (390, 171282), (468, 142735), (585, 114188), (780, 85641), (1170, 57094), (2340, 28547)]