42740640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 148363488

約数和(自身を除く): 105622848

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, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 201, 240, 268, 288, 335, 360, 402, 443, 480, 536, 603, 670, 720, 804, 886, 1005, 1072, 1206, 1329, 1340, 1440, 1608, 1772, 2010, 2144, 2215, 2412, 2658, 2680, 3015, 3216, 3544, 3987, 4020, 4430, 4824, 5316, 5360, 6030, 6432, 6645, 7088, 7974, 8040, 8860, 9648, 10632, 10720, 12060, 13290, 14176, 15948, 16080, 17720, 19296, 19935, 21264, 24120, 26580, 29681, 31896, 32160, 35440, 39870, 42528, 48240, 53160, 59362, 63792, 70880, 79740, 89043, 96480, 106320, 118724, 127584, 148405, 159480, 178086, 212640, 237448, 267129, 296810, 318960, 356172, 445215, 474896, 534258, 593620, 637920, 712344, 890430, 949792, 1068516, 1187240, 1335645, 1424688, 1780860, 2137032, 2374480, 2671290, 2849376, 3561720, 4274064, 4748960, 5342580, 7123440, 8548128, 10685160, 14246880, 21370320, 42740640]

約数ペア:

[(1, 42740640), (2, 21370320), (3, 14246880), (4, 10685160), (5, 8548128), (6, 7123440), (8, 5342580), (9, 4748960), (10, 4274064), (12, 3561720), (15, 2849376), (16, 2671290), (18, 2374480), (20, 2137032), (24, 1780860), (30, 1424688), (32, 1335645), (36, 1187240), (40, 1068516), (45, 949792), (48, 890430), (60, 712344), (67, 637920), (72, 593620), (80, 534258), (90, 474896), (96, 445215), (120, 356172), (134, 318960), (144, 296810), (160, 267129), (180, 237448), (201, 212640), (240, 178086), (268, 159480), (288, 148405), (335, 127584), (360, 118724), (402, 106320), (443, 96480), (480, 89043), (536, 79740), (603, 70880), (670, 63792), (720, 59362), (804, 53160), (886, 48240), (1005, 42528), (1072, 39870), (1206, 35440), (1329, 32160), (1340, 31896), (1440, 29681), (1608, 26580), (1772, 24120), (2010, 21264), (2144, 19935), (2215, 19296), (2412, 17720), (2658, 16080), (2680, 15948), (3015, 14176), (3216, 13290), (3544, 12060), (3987, 10720), (4020, 10632), (4430, 9648), (4824, 8860), (5316, 8040), (5360, 7974), (6030, 7088), (6432, 6645)]