1285454820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1034

約数の個数: 192

約数和(自身を含む): 4100382720

約数和(自身を除く): 2814927900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 79, 92, 115, 130, 138, 156, 158, 195, 230, 237, 260, 276, 299, 316, 345, 390, 395, 460, 474, 598, 690, 780, 790, 897, 907, 948, 1027, 1185, 1196, 1380, 1495, 1580, 1794, 1814, 1817, 2054, 2370, 2721, 2990, 3081, 3588, 3628, 3634, 4108, 4485, 4535, 4740, 5135, 5442, 5451, 5980, 6162, 7268, 8970, 9070, 9085, 10270, 10884, 10902, 11791, 12324, 13605, 15405, 17940, 18140, 18170, 20540, 20861, 21804, 23582, 23621, 27210, 27255, 30810, 35373, 36340, 41722, 47164, 47242, 54420, 54510, 58955, 61620, 62583, 70746, 70863, 71653, 83444, 94484, 104305, 109020, 117910, 118105, 125166, 141492, 141726, 143306, 176865, 208610, 214959, 235820, 236210, 250332, 271193, 283452, 286612, 312915, 353730, 354315, 358265, 417220, 429918, 472420, 542386, 625830, 707460, 708630, 716530, 813579, 859836, 931489, 1074795, 1084772, 1251660, 1355965, 1417260, 1433060, 1627158, 1648019, 1862978, 2149590, 2711930, 2794467, 3254316, 3296038, 3725956, 4067895, 4299180, 4657445, 4944057, 5423860, 5588934, 6592076, 8135790, 8240095, 9314890, 9888114, 11177868, 13972335, 16271580, 16480190, 18629780, 19776228, 21424247, 24720285, 27944670, 32960380, 42848494, 49440570, 55889340, 64272741, 85696988, 98881140, 107121235, 128545482, 214242470, 257090964, 321363705, 428484940, 642727410, 1285454820]

約数ペア:

[(1, 1285454820), (2, 642727410), (3, 428484940), (4, 321363705), (5, 257090964), (6, 214242470), (10, 128545482), (12, 107121235), (13, 98881140), (15, 85696988), (20, 64272741), (23, 55889340), (26, 49440570), (30, 42848494), (39, 32960380), (46, 27944670), (52, 24720285), (60, 21424247), (65, 19776228), (69, 18629780), (78, 16480190), (79, 16271580), (92, 13972335), (115, 11177868), (130, 9888114), (138, 9314890), (156, 8240095), (158, 8135790), (195, 6592076), (230, 5588934), (237, 5423860), (260, 4944057), (276, 4657445), (299, 4299180), (316, 4067895), (345, 3725956), (390, 3296038), (395, 3254316), (460, 2794467), (474, 2711930), (598, 2149590), (690, 1862978), (780, 1648019), (790, 1627158), (897, 1433060), (907, 1417260), (948, 1355965), (1027, 1251660), (1185, 1084772), (1196, 1074795), (1380, 931489), (1495, 859836), (1580, 813579), (1794, 716530), (1814, 708630), (1817, 707460), (2054, 625830), (2370, 542386), (2721, 472420), (2990, 429918), (3081, 417220), (3588, 358265), (3628, 354315), (3634, 353730), (4108, 312915), (4485, 286612), (4535, 283452), (4740, 271193), (5135, 250332), (5442, 236210), (5451, 235820), (5980, 214959), (6162, 208610), (7268, 176865), (8970, 143306), (9070, 141726), (9085, 141492), (10270, 125166), (10884, 118105), (10902, 117910), (11791, 109020), (12324, 104305), (13605, 94484), (15405, 83444), (17940, 71653), (18140, 70863), (18170, 70746), (20540, 62583), (20861, 61620), (21804, 58955), (23582, 54510), (23621, 54420), (27210, 47242), (27255, 47164), (30810, 41722), (35373, 36340)]