15480840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 34285560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 79, 92, 115, 120, 138, 142, 158, 184, 213, 230, 237, 276, 284, 316, 345, 355, 395, 426, 460, 474, 552, 568, 632, 690, 710, 790, 852, 920, 948, 1065, 1185, 1380, 1420, 1580, 1633, 1704, 1817, 1896, 2130, 2370, 2760, 2840, 3160, 3266, 3634, 4260, 4740, 4899, 5451, 5609, 6532, 7268, 8165, 8520, 9085, 9480, 9798, 10902, 11218, 13064, 14536, 16330, 16827, 18170, 19596, 21804, 22436, 24495, 27255, 28045, 32660, 33654, 36340, 39192, 43608, 44872, 48990, 54510, 56090, 65320, 67308, 72680, 84135, 97980, 109020, 112180, 129007, 134616, 168270, 195960, 218040, 224360, 258014, 336540, 387021, 516028, 645035, 673080, 774042, 1032056, 1290070, 1548084, 1935105, 2580140, 3096168, 3870210, 5160280, 7740420, 15480840]

約数ペア:

[(1, 15480840), (2, 7740420), (3, 5160280), (4, 3870210), (5, 3096168), (6, 2580140), (8, 1935105), (10, 1548084), (12, 1290070), (15, 1032056), (20, 774042), (23, 673080), (24, 645035), (30, 516028), (40, 387021), (46, 336540), (60, 258014), (69, 224360), (71, 218040), (79, 195960), (92, 168270), (115, 134616), (120, 129007), (138, 112180), (142, 109020), (158, 97980), (184, 84135), (213, 72680), (230, 67308), (237, 65320), (276, 56090), (284, 54510), (316, 48990), (345, 44872), (355, 43608), (395, 39192), (426, 36340), (460, 33654), (474, 32660), (552, 28045), (568, 27255), (632, 24495), (690, 22436), (710, 21804), (790, 19596), (852, 18170), (920, 16827), (948, 16330), (1065, 14536), (1185, 13064), (1380, 11218), (1420, 10902), (1580, 9798), (1633, 9480), (1704, 9085), (1817, 8520), (1896, 8165), (2130, 7268), (2370, 6532), (2760, 5609), (2840, 5451), (3160, 4899), (3266, 4740), (3634, 4260)]