1640226840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{11287}}^1$

素因数の和:11481

約数の個数: 128

約数和(自身を含む): 5656642560

約数和(自身を除く): 4016415720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 173, 210, 280, 346, 420, 519, 692, 840, 865, 1038, 1211, 1384, 1730, 2076, 2422, 2595, 3460, 3633, 4152, 4844, 5190, 6055, 6920, 7266, 9688, 10380, 11287, 12110, 14532, 18165, 20760, 22574, 24220, 29064, 33861, 36330, 45148, 48440, 56435, 67722, 72660, 79009, 90296, 112870, 135444, 145320, 158018, 169305, 225740, 237027, 270888, 316036, 338610, 395045, 451480, 474054, 632072, 677220, 790090, 948108, 1185135, 1354440, 1580180, 1896216, 1952651, 2370270, 3160360, 3905302, 4740540, 5857953, 7810604, 9481080, 9763255, 11715906, 13668557, 15621208, 19526510, 23431812, 27337114, 29289765, 39053020, 41005671, 46863624, 54674228, 58579530, 68342785, 78106040, 82011342, 109348456, 117159060, 136685570, 164022684, 205028355, 234318120, 273371140, 328045368, 410056710, 546742280, 820113420, 1640226840]

約数ペア:

[(1, 1640226840), (2, 820113420), (3, 546742280), (4, 410056710), (5, 328045368), (6, 273371140), (7, 234318120), (8, 205028355), (10, 164022684), (12, 136685570), (14, 117159060), (15, 109348456), (20, 82011342), (21, 78106040), (24, 68342785), (28, 58579530), (30, 54674228), (35, 46863624), (40, 41005671), (42, 39053020), (56, 29289765), (60, 27337114), (70, 23431812), (84, 19526510), (105, 15621208), (120, 13668557), (140, 11715906), (168, 9763255), (173, 9481080), (210, 7810604), (280, 5857953), (346, 4740540), (420, 3905302), (519, 3160360), (692, 2370270), (840, 1952651), (865, 1896216), (1038, 1580180), (1211, 1354440), (1384, 1185135), (1730, 948108), (2076, 790090), (2422, 677220), (2595, 632072), (3460, 474054), (3633, 451480), (4152, 395045), (4844, 338610), (5190, 316036), (6055, 270888), (6920, 237027), (7266, 225740), (9688, 169305), (10380, 158018), (11287, 145320), (12110, 135444), (14532, 112870), (18165, 90296), (20760, 79009), (22574, 72660), (24220, 67722), (29064, 56435), (33861, 48440), (36330, 45148)]