128408280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1114

約数の個数: 256

約数和(自身を含む): 517708800

約数和(自身を除く): 389300520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 364, 385, 390, 420, 429, 440, 455, 462, 520, 546, 572, 616, 660, 715, 728, 770, 780, 840, 858, 910, 924, 1001, 1069, 1092, 1144, 1155, 1320, 1365, 1430, 1540, 1560, 1716, 1820, 1848, 2002, 2138, 2145, 2184, 2310, 2730, 2860, 3003, 3080, 3207, 3432, 3640, 4004, 4276, 4290, 4620, 5005, 5345, 5460, 5720, 6006, 6414, 7483, 8008, 8552, 8580, 9240, 10010, 10690, 10920, 11759, 12012, 12828, 13897, 14966, 15015, 16035, 17160, 20020, 21380, 22449, 23518, 24024, 25656, 27794, 29932, 30030, 32070, 35277, 37415, 40040, 41691, 42760, 44898, 47036, 55588, 58795, 59864, 60060, 64140, 69485, 70554, 74830, 82313, 83382, 89796, 94072, 97279, 111176, 112245, 117590, 120120, 128280, 138970, 141108, 149660, 152867, 164626, 166764, 176385, 179592, 194558, 208455, 224490, 235180, 246939, 277940, 282216, 291837, 299320, 305734, 329252, 333528, 352770, 389116, 411565, 416910, 448980, 458601, 470360, 486395, 493878, 555880, 583674, 611468, 658504, 705540, 764335, 778232, 823130, 833820, 897960, 917202, 972790, 987756, 1070069, 1167348, 1222936, 1234695, 1411080, 1459185, 1528670, 1646260, 1667640, 1834404, 1945580, 1975512, 2140138, 2293005, 2334696, 2469390, 2918370, 3057340, 3210207, 3292520, 3668808, 3891160, 4280276, 4586010, 4938780, 5350345, 5836740, 6114680, 6420414, 8560552, 9172020, 9877560, 10700690, 11673480, 12840828, 16051035, 18344040, 21401380, 25681656, 32102070, 42802760, 64204140, 128408280]

約数ペア:

[(1, 128408280), (2, 64204140), (3, 42802760), (4, 32102070), (5, 25681656), (6, 21401380), (7, 18344040), (8, 16051035), (10, 12840828), (11, 11673480), (12, 10700690), (13, 9877560), (14, 9172020), (15, 8560552), (20, 6420414), (21, 6114680), (22, 5836740), (24, 5350345), (26, 4938780), (28, 4586010), (30, 4280276), (33, 3891160), (35, 3668808), (39, 3292520), (40, 3210207), (42, 3057340), (44, 2918370), (52, 2469390), (55, 2334696), (56, 2293005), (60, 2140138), (65, 1975512), (66, 1945580), (70, 1834404), (77, 1667640), (78, 1646260), (84, 1528670), (88, 1459185), (91, 1411080), (104, 1234695), (105, 1222936), (110, 1167348), (120, 1070069), (130, 987756), (132, 972790), (140, 917202), (143, 897960), (154, 833820), (156, 823130), (165, 778232), (168, 764335), (182, 705540), (195, 658504), (210, 611468), (220, 583674), (231, 555880), (260, 493878), (264, 486395), (273, 470360), (280, 458601), (286, 448980), (308, 416910), (312, 411565), (330, 389116), (364, 352770), (385, 333528), (390, 329252), (420, 305734), (429, 299320), (440, 291837), (455, 282216), (462, 277940), (520, 246939), (546, 235180), (572, 224490), (616, 208455), (660, 194558), (715, 179592), (728, 176385), (770, 166764), (780, 164626), (840, 152867), (858, 149660), (910, 141108), (924, 138970), (1001, 128280), (1069, 120120), (1092, 117590), (1144, 112245), (1155, 111176), (1320, 97279), (1365, 94072), (1430, 89796), (1540, 83382), (1560, 82313), (1716, 74830), (1820, 70554), (1848, 69485), (2002, 64140), (2138, 60060), (2145, 59864), (2184, 58795), (2310, 55588), (2730, 47036), (2860, 44898), (3003, 42760), (3080, 41691), (3207, 40040), (3432, 37415), (3640, 35277), (4004, 32070), (4276, 30030), (4290, 29932), (4620, 27794), (5005, 25656), (5345, 24024), (5460, 23518), (5720, 22449), (6006, 21380), (6414, 20020), (7483, 17160), (8008, 16035), (8552, 15015), (8580, 14966), (9240, 13897), (10010, 12828), (10690, 12012), (10920, 11759)]