208861920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145043}}^1$

素因数の和:145064

約数の個数: 72

約数和(自身を含む): 712746216

約数和(自身を除く): 503884296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 145043, 290086, 435129, 580172, 725215, 870258, 1160344, 1305387, 1450430, 1740516, 2175645, 2320688, 2610774, 2900860, 3481032, 4351290, 4641376, 5221548, 5801720, 6526935, 6962064, 8702580, 10443096, 11603440, 13053870, 13924128, 17405160, 20886192, 23206880, 26107740, 34810320, 41772384, 52215480, 69620640, 104430960, 208861920]

約数ペア:

[(1, 208861920), (2, 104430960), (3, 69620640), (4, 52215480), (5, 41772384), (6, 34810320), (8, 26107740), (9, 23206880), (10, 20886192), (12, 17405160), (15, 13924128), (16, 13053870), (18, 11603440), (20, 10443096), (24, 8702580), (30, 6962064), (32, 6526935), (36, 5801720), (40, 5221548), (45, 4641376), (48, 4351290), (60, 3481032), (72, 2900860), (80, 2610774), (90, 2320688), (96, 2175645), (120, 1740516), (144, 1450430), (160, 1305387), (180, 1160344), (240, 870258), (288, 725215), (360, 580172), (480, 435129), (720, 290086), (1440, 145043)]