31057440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:834

約数の個数: 96

約数和(自身を含む): 99066240

約数和(自身を除く): 68008800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 480, 534, 712, 727, 890, 1068, 1335, 1424, 1454, 1780, 2136, 2181, 2670, 2848, 2908, 3560, 3635, 4272, 4362, 5340, 5816, 7120, 7270, 8544, 8724, 10680, 10905, 11632, 14240, 14540, 17448, 21360, 21810, 23264, 29080, 34896, 42720, 43620, 58160, 64703, 69792, 87240, 116320, 129406, 174480, 194109, 258812, 323515, 348960, 388218, 517624, 647030, 776436, 970545, 1035248, 1294060, 1552872, 1941090, 2070496, 2588120, 3105744, 3882180, 5176240, 6211488, 7764360, 10352480, 15528720, 31057440]

約数ペア:

[(1, 31057440), (2, 15528720), (3, 10352480), (4, 7764360), (5, 6211488), (6, 5176240), (8, 3882180), (10, 3105744), (12, 2588120), (15, 2070496), (16, 1941090), (20, 1552872), (24, 1294060), (30, 1035248), (32, 970545), (40, 776436), (48, 647030), (60, 517624), (80, 388218), (89, 348960), (96, 323515), (120, 258812), (160, 194109), (178, 174480), (240, 129406), (267, 116320), (356, 87240), (445, 69792), (480, 64703), (534, 58160), (712, 43620), (727, 42720), (890, 34896), (1068, 29080), (1335, 23264), (1424, 21810), (1454, 21360), (1780, 17448), (2136, 14540), (2181, 14240), (2670, 11632), (2848, 10905), (2908, 10680), (3560, 8724), (3635, 8544), (4272, 7270), (4362, 7120), (5340, 5816)]