1328021240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5981}}^1$

素因数の和:6073

約数の個数: 128

約数和(自身を含む): 3738510720

約数和(自身を除く): 2410489480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 182, 244, 260, 280, 305, 364, 427, 455, 488, 520, 610, 728, 793, 854, 910, 1220, 1586, 1708, 1820, 2135, 2440, 3172, 3416, 3640, 3965, 4270, 5551, 5981, 6344, 7930, 8540, 11102, 11962, 15860, 17080, 22204, 23924, 27755, 29905, 31720, 41867, 44408, 47848, 55510, 59810, 77753, 83734, 111020, 119620, 155506, 167468, 209335, 222040, 239240, 311012, 334936, 364841, 388765, 418670, 544271, 622024, 729682, 777530, 837340, 1088542, 1459364, 1555060, 1674680, 1824205, 2177084, 2553887, 2721355, 2918728, 3110120, 3648410, 4354168, 4742933, 5107774, 5442710, 7296820, 9485866, 10215548, 10885420, 12769435, 14593640, 18971732, 20431096, 21770840, 23714665, 25538870, 33200531, 37943464, 47429330, 51077740, 66401062, 94858660, 102155480, 132802124, 166002655, 189717320, 265604248, 332005310, 664010620, 1328021240]

約数ペア:

[(1, 1328021240), (2, 664010620), (4, 332005310), (5, 265604248), (7, 189717320), (8, 166002655), (10, 132802124), (13, 102155480), (14, 94858660), (20, 66401062), (26, 51077740), (28, 47429330), (35, 37943464), (40, 33200531), (52, 25538870), (56, 23714665), (61, 21770840), (65, 20431096), (70, 18971732), (91, 14593640), (104, 12769435), (122, 10885420), (130, 10215548), (140, 9485866), (182, 7296820), (244, 5442710), (260, 5107774), (280, 4742933), (305, 4354168), (364, 3648410), (427, 3110120), (455, 2918728), (488, 2721355), (520, 2553887), (610, 2177084), (728, 1824205), (793, 1674680), (854, 1555060), (910, 1459364), (1220, 1088542), (1586, 837340), (1708, 777530), (1820, 729682), (2135, 622024), (2440, 544271), (3172, 418670), (3416, 388765), (3640, 364841), (3965, 334936), (4270, 311012), (5551, 239240), (5981, 222040), (6344, 209335), (7930, 167468), (8540, 155506), (11102, 119620), (11962, 111020), (15860, 83734), (17080, 77753), (22204, 59810), (23924, 55510), (27755, 47848), (29905, 44408), (31720, 41867)]