280456020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 996532992

約数和(自身を除く): 716076972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 81, 90, 92, 108, 115, 117, 130, 135, 138, 156, 162, 180, 193, 195, 207, 230, 234, 243, 260, 270, 276, 299, 324, 345, 351, 386, 390, 405, 414, 460, 468, 486, 540, 579, 585, 598, 621, 690, 702, 772, 780, 810, 828, 897, 965, 972, 1035, 1053, 1158, 1170, 1196, 1215, 1242, 1380, 1404, 1495, 1620, 1737, 1755, 1794, 1863, 1930, 2070, 2106, 2316, 2340, 2430, 2484, 2509, 2691, 2895, 2990, 3105, 3159, 3474, 3510, 3588, 3726, 3860, 4140, 4212, 4439, 4485, 4860, 5018, 5211, 5265, 5382, 5589, 5790, 5980, 6210, 6318, 6948, 7020, 7452, 7527, 8073, 8685, 8878, 8970, 9315, 10036, 10422, 10530, 10764, 11178, 11580, 12420, 12545, 12636, 13317, 13455, 15054, 15633, 15795, 16146, 17370, 17756, 17940, 18630, 20844, 21060, 22195, 22356, 22581, 24219, 25090, 26055, 26634, 26910, 27945, 30108, 31266, 31590, 32292, 34740, 37260, 37635, 39951, 40365, 44390, 45162, 46899, 48438, 50180, 52110, 53268, 53820, 55890, 57707, 62532, 63180, 66585, 67743, 72657, 75270, 78165, 79902, 80730, 88780, 90324, 93798, 96876, 104220, 111780, 112905, 115414, 119853, 121095, 133170, 135486, 145314, 150540, 156330, 159804, 161460, 173121, 187596, 199755, 203229, 225810, 230828, 234495, 239706, 242190, 266340, 270972, 288535, 290628, 312660, 338715, 346242, 359559, 363285, 399510, 406458, 451620, 468990, 479412, 484380, 519363, 577070, 599265, 609687, 677430, 692484, 719118, 726570, 799020, 812916, 865605, 937980, 1016145, 1038726, 1078677, 1154140, 1198530, 1219374, 1354860, 1438236, 1453140, 1558089, 1731210, 1797795, 2032290, 2077452, 2157354, 2397060, 2438748, 2596815, 3048435, 3116178, 3462420, 3595590, 4064580, 4314708, 4674267, 5193630, 5393385, 6096870, 6232356, 7191180, 7790445, 9348534, 10387260, 10786770, 12193740, 14022801, 15580890, 18697068, 21573540, 23371335, 28045602, 31161780, 46742670, 56091204, 70114005, 93485340, 140228010, 280456020]

約数ペア:

[(1, 280456020), (2, 140228010), (3, 93485340), (4, 70114005), (5, 56091204), (6, 46742670), (9, 31161780), (10, 28045602), (12, 23371335), (13, 21573540), (15, 18697068), (18, 15580890), (20, 14022801), (23, 12193740), (26, 10786770), (27, 10387260), (30, 9348534), (36, 7790445), (39, 7191180), (45, 6232356), (46, 6096870), (52, 5393385), (54, 5193630), (60, 4674267), (65, 4314708), (69, 4064580), (78, 3595590), (81, 3462420), (90, 3116178), (92, 3048435), (108, 2596815), (115, 2438748), (117, 2397060), (130, 2157354), (135, 2077452), (138, 2032290), (156, 1797795), (162, 1731210), (180, 1558089), (193, 1453140), (195, 1438236), (207, 1354860), (230, 1219374), (234, 1198530), (243, 1154140), (260, 1078677), (270, 1038726), (276, 1016145), (299, 937980), (324, 865605), (345, 812916), (351, 799020), (386, 726570), (390, 719118), (405, 692484), (414, 677430), (460, 609687), (468, 599265), (486, 577070), (540, 519363), (579, 484380), (585, 479412), (598, 468990), (621, 451620), (690, 406458), (702, 399510), (772, 363285), (780, 359559), (810, 346242), (828, 338715), (897, 312660), (965, 290628), (972, 288535), (1035, 270972), (1053, 266340), (1158, 242190), (1170, 239706), (1196, 234495), (1215, 230828), (1242, 225810), (1380, 203229), (1404, 199755), (1495, 187596), (1620, 173121), (1737, 161460), (1755, 159804), (1794, 156330), (1863, 150540), (1930, 145314), (2070, 135486), (2106, 133170), (2316, 121095), (2340, 119853), (2430, 115414), (2484, 112905), (2509, 111780), (2691, 104220), (2895, 96876), (2990, 93798), (3105, 90324), (3159, 88780), (3474, 80730), (3510, 79902), (3588, 78165), (3726, 75270), (3860, 72657), (4140, 67743), (4212, 66585), (4439, 63180), (4485, 62532), (4860, 57707), (5018, 55890), (5211, 53820), (5265, 53268), (5382, 52110), (5589, 50180), (5790, 48438), (5980, 46899), (6210, 45162), (6318, 44390), (6948, 40365), (7020, 39951), (7452, 37635), (7527, 37260), (8073, 34740), (8685, 32292), (8878, 31590), (8970, 31266), (9315, 30108), (10036, 27945), (10422, 26910), (10530, 26634), (10764, 26055), (11178, 25090), (11580, 24219), (12420, 22581), (12545, 22356), (12636, 22195), (13317, 21060), (13455, 20844), (15054, 18630), (15633, 17940), (15795, 17756), (16146, 17370)]