1680891480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3119}}^1$

素因数の和:3638

約数の個数: 128

約数和(自身を含む): 5616000000

約数和(自身を除く): 3935108520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 499, 540, 998, 1080, 1497, 1996, 2495, 2994, 3119, 3992, 4491, 4990, 5988, 6238, 7485, 8982, 9357, 9980, 11976, 12476, 13473, 14970, 15595, 17964, 18714, 19960, 22455, 24952, 26946, 28071, 29940, 31190, 35928, 37428, 44910, 46785, 53892, 56142, 59880, 62380, 67365, 74856, 84213, 89820, 93570, 107784, 112284, 124760, 134730, 140355, 168426, 179640, 187140, 224568, 269460, 280710, 336852, 374280, 421065, 538920, 561420, 673704, 842130, 1122840, 1556381, 1684260, 3112762, 3368520, 4669143, 6225524, 7781905, 9338286, 12451048, 14007429, 15563810, 18676572, 23345715, 28014858, 31127620, 37353144, 42022287, 46691430, 56029716, 62255240, 70037145, 84044574, 93382860, 112059432, 140074290, 168089148, 186765720, 210111435, 280148580, 336178296, 420222870, 560297160, 840445740, 1680891480]

約数ペア:

[(1, 1680891480), (2, 840445740), (3, 560297160), (4, 420222870), (5, 336178296), (6, 280148580), (8, 210111435), (9, 186765720), (10, 168089148), (12, 140074290), (15, 112059432), (18, 93382860), (20, 84044574), (24, 70037145), (27, 62255240), (30, 56029716), (36, 46691430), (40, 42022287), (45, 37353144), (54, 31127620), (60, 28014858), (72, 23345715), (90, 18676572), (108, 15563810), (120, 14007429), (135, 12451048), (180, 9338286), (216, 7781905), (270, 6225524), (360, 4669143), (499, 3368520), (540, 3112762), (998, 1684260), (1080, 1556381), (1497, 1122840), (1996, 842130), (2495, 673704), (2994, 561420), (3119, 538920), (3992, 421065), (4491, 374280), (4990, 336852), (5988, 280710), (6238, 269460), (7485, 224568), (8982, 187140), (9357, 179640), (9980, 168426), (11976, 140355), (12476, 134730), (13473, 124760), (14970, 112284), (15595, 107784), (17964, 93570), (18714, 89820), (19960, 84213), (22455, 74856), (24952, 67365), (26946, 62380), (28071, 59880), (29940, 56142), (31190, 53892), (35928, 46785), (37428, 44910)]