81570180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 235799424

約数和(自身を除く): 154229244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 113, 159, 212, 226, 227, 265, 318, 339, 452, 454, 530, 565, 636, 678, 681, 795, 908, 1060, 1130, 1135, 1356, 1362, 1590, 1695, 2260, 2270, 2724, 3180, 3390, 3405, 4540, 5989, 6780, 6810, 11978, 12031, 13620, 17967, 23956, 24062, 25651, 29945, 35934, 36093, 48124, 51302, 59890, 60155, 71868, 72186, 76953, 89835, 102604, 119780, 120310, 128255, 144372, 153906, 179670, 180465, 240620, 256510, 307812, 359340, 360930, 384765, 513020, 721860, 769530, 1359503, 1539060, 2719006, 4078509, 5438012, 6797515, 8157018, 13595030, 16314036, 20392545, 27190060, 40785090, 81570180]

約数ペア:

[(1, 81570180), (2, 40785090), (3, 27190060), (4, 20392545), (5, 16314036), (6, 13595030), (10, 8157018), (12, 6797515), (15, 5438012), (20, 4078509), (30, 2719006), (53, 1539060), (60, 1359503), (106, 769530), (113, 721860), (159, 513020), (212, 384765), (226, 360930), (227, 359340), (265, 307812), (318, 256510), (339, 240620), (452, 180465), (454, 179670), (530, 153906), (565, 144372), (636, 128255), (678, 120310), (681, 119780), (795, 102604), (908, 89835), (1060, 76953), (1130, 72186), (1135, 71868), (1356, 60155), (1362, 59890), (1590, 51302), (1695, 48124), (2260, 36093), (2270, 35934), (2724, 29945), (3180, 25651), (3390, 24062), (3405, 23956), (4540, 17967), (5989, 13620), (6780, 12031), (6810, 11978)]