1389150

素因数分解:

$2^1\times 3^4\times 5^2\times 7^3$

素因数の和:45

約数の個数: 120

約数和(自身を含む): 4501200

約数和(自身を除く): 3112050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 49, 50, 54, 63, 70, 75, 81, 90, 98, 105, 126, 135, 147, 150, 162, 175, 189, 210, 225, 245, 270, 294, 315, 343, 350, 378, 405, 441, 450, 490, 525, 567, 630, 675, 686, 735, 810, 882, 945, 1029, 1050, 1134, 1225, 1323, 1350, 1470, 1575, 1715, 1890, 2025, 2058, 2205, 2450, 2646, 2835, 3087, 3150, 3430, 3675, 3969, 4050, 4410, 4725, 5145, 5670, 6174, 6615, 7350, 7938, 8575, 9261, 9450, 10290, 11025, 13230, 14175, 15435, 17150, 18522, 19845, 22050, 25725, 27783, 28350, 30870, 33075, 39690, 46305, 51450, 55566, 66150, 77175, 92610, 99225, 138915, 154350, 198450, 231525, 277830, 463050, 694575, 1389150]

約数ペア:

[(1, 1389150), (2, 694575), (3, 463050), (5, 277830), (6, 231525), (7, 198450), (9, 154350), (10, 138915), (14, 99225), (15, 92610), (18, 77175), (21, 66150), (25, 55566), (27, 51450), (30, 46305), (35, 39690), (42, 33075), (45, 30870), (49, 28350), (50, 27783), (54, 25725), (63, 22050), (70, 19845), (75, 18522), (81, 17150), (90, 15435), (98, 14175), (105, 13230), (126, 11025), (135, 10290), (147, 9450), (150, 9261), (162, 8575), (175, 7938), (189, 7350), (210, 6615), (225, 6174), (245, 5670), (270, 5145), (294, 4725), (315, 4410), (343, 4050), (350, 3969), (378, 3675), (405, 3430), (441, 3150), (450, 3087), (490, 2835), (525, 2646), (567, 2450), (630, 2205), (675, 2058), (686, 2025), (735, 1890), (810, 1715), (882, 1575), (945, 1470), (1029, 1350), (1050, 1323), (1134, 1225)]