64855920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1493}}^1$

素因数の和:1690

約数の個数: 80

約数和(自身を含む): 202299552

約数和(自身を除く): 137443632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 543, 724, 905, 1086, 1448, 1493, 1810, 2172, 2715, 2896, 2986, 3620, 4344, 4479, 5430, 5972, 7240, 7465, 8688, 8958, 10860, 11944, 14480, 14930, 17916, 21720, 22395, 23888, 29860, 35832, 43440, 44790, 59720, 71664, 89580, 119440, 179160, 270233, 358320, 540466, 810699, 1080932, 1351165, 1621398, 2161864, 2702330, 3242796, 4053495, 4323728, 5404660, 6485592, 8106990, 10809320, 12971184, 16213980, 21618640, 32427960, 64855920]

約数ペア:

[(1, 64855920), (2, 32427960), (3, 21618640), (4, 16213980), (5, 12971184), (6, 10809320), (8, 8106990), (10, 6485592), (12, 5404660), (15, 4323728), (16, 4053495), (20, 3242796), (24, 2702330), (30, 2161864), (40, 1621398), (48, 1351165), (60, 1080932), (80, 810699), (120, 540466), (181, 358320), (240, 270233), (362, 179160), (543, 119440), (724, 89580), (905, 71664), (1086, 59720), (1448, 44790), (1493, 43440), (1810, 35832), (2172, 29860), (2715, 23888), (2896, 22395), (2986, 21720), (3620, 17916), (4344, 14930), (4479, 14480), (5430, 11944), (5972, 10860), (7240, 8958), (7465, 8688)]