2991859080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{2617}}^1$

素因数の和:3999

約数の個数: 128

約数和(自身を含む): 10269262080

約数和(自身を除く): 7277403000

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, 210, 280, 420, 840, 1361, 2617, 2722, 4083, 5234, 5444, 6805, 7851, 8166, 9527, 10468, 10888, 13085, 13610, 15702, 16332, 18319, 19054, 20415, 20936, 26170, 27220, 28581, 31404, 32664, 36638, 38108, 39255, 40830, 47635, 52340, 54440, 54957, 57162, 62808, 73276, 76216, 78510, 81660, 91595, 95270, 104680, 109914, 114324, 142905, 146552, 157020, 163320, 183190, 190540, 219828, 228648, 274785, 285810, 314040, 366380, 381080, 439656, 549570, 571620, 732760, 1099140, 1143240, 2198280, 3561737, 7123474, 10685211, 14246948, 17808685, 21370422, 24932159, 28493896, 35617370, 42740844, 49864318, 53426055, 71234740, 74796477, 85481688, 99728636, 106852110, 124660795, 142469480, 149592954, 199457272, 213704220, 249321590, 299185908, 373982385, 427408440, 498643180, 598371816, 747964770, 997286360, 1495929540, 2991859080]

約数ペア:

[(1, 2991859080), (2, 1495929540), (3, 997286360), (4, 747964770), (5, 598371816), (6, 498643180), (7, 427408440), (8, 373982385), (10, 299185908), (12, 249321590), (14, 213704220), (15, 199457272), (20, 149592954), (21, 142469480), (24, 124660795), (28, 106852110), (30, 99728636), (35, 85481688), (40, 74796477), (42, 71234740), (56, 53426055), (60, 49864318), (70, 42740844), (84, 35617370), (105, 28493896), (120, 24932159), (140, 21370422), (168, 17808685), (210, 14246948), (280, 10685211), (420, 7123474), (840, 3561737), (1361, 2198280), (2617, 1143240), (2722, 1099140), (4083, 732760), (5234, 571620), (5444, 549570), (6805, 439656), (7851, 381080), (8166, 366380), (9527, 314040), (10468, 285810), (10888, 274785), (13085, 228648), (13610, 219828), (15702, 190540), (16332, 183190), (18319, 163320), (19054, 157020), (20415, 146552), (20936, 142905), (26170, 114324), (27220, 109914), (28581, 104680), (31404, 95270), (32664, 91595), (36638, 81660), (38108, 78510), (39255, 76216), (40830, 73276), (47635, 62808), (52340, 57162), (54440, 54957)]