81810960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:286

約数の個数: 320

約数和(自身を含む): 334264320

約数和(自身を除く): 252453360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 48, 55, 56, 57, 60, 66, 70, 76, 77, 80, 84, 88, 95, 105, 110, 112, 114, 120, 132, 133, 140, 152, 154, 165, 168, 176, 190, 209, 210, 220, 228, 231, 233, 240, 264, 266, 280, 285, 304, 308, 330, 336, 380, 385, 399, 418, 420, 440, 456, 462, 466, 528, 532, 560, 570, 616, 627, 660, 665, 699, 760, 770, 798, 836, 840, 880, 912, 924, 932, 1045, 1064, 1140, 1155, 1165, 1232, 1254, 1320, 1330, 1398, 1463, 1520, 1540, 1596, 1631, 1672, 1680, 1848, 1864, 1995, 2090, 2128, 2280, 2310, 2330, 2508, 2563, 2640, 2660, 2796, 2926, 3080, 3135, 3192, 3262, 3344, 3495, 3696, 3728, 3990, 4180, 4389, 4427, 4560, 4620, 4660, 4893, 5016, 5126, 5320, 5592, 5852, 6160, 6270, 6384, 6524, 6990, 7315, 7689, 7980, 8155, 8360, 8778, 8854, 9240, 9320, 9786, 10032, 10252, 10640, 11184, 11704, 12540, 12815, 13048, 13281, 13980, 14630, 15378, 15960, 16310, 16720, 17556, 17708, 17941, 18480, 18640, 19572, 20504, 21945, 22135, 23408, 24465, 25080, 25630, 26096, 26562, 27960, 29260, 30756, 30989, 31920, 32620, 35112, 35416, 35882, 38445, 39144, 41008, 43890, 44270, 48697, 48930, 50160, 51260, 53124, 53823, 55920, 58520, 61512, 61978, 65240, 66405, 70224, 70832, 71764, 76890, 78288, 87780, 88540, 89705, 92967, 97394, 97860, 102520, 106248, 107646, 117040, 123024, 123956, 130480, 132810, 143528, 146091, 153780, 154945, 175560, 177080, 179410, 185934, 194788, 195720, 205040, 212496, 215292, 243485, 247912, 265620, 269115, 287056, 292182, 307560, 309890, 340879, 351120, 354160, 358820, 371868, 389576, 391440, 430584, 464835, 486970, 495824, 531240, 538230, 584364, 615120, 619780, 681758, 717640, 730455, 743736, 779152, 861168, 929670, 973940, 1022637, 1062480, 1076460, 1168728, 1239560, 1363516, 1435280, 1460910, 1487472, 1704395, 1859340, 1947880, 2045274, 2152920, 2337456, 2479120, 2727032, 2921820, 3408790, 3718680, 3895760, 4090548, 4305840, 5113185, 5454064, 5843640, 6817580, 7437360, 8181096, 10226370, 11687280, 13635160, 16362192, 20452740, 27270320, 40905480, 81810960]

約数ペア:

[(1, 81810960), (2, 40905480), (3, 27270320), (4, 20452740), (5, 16362192), (6, 13635160), (7, 11687280), (8, 10226370), (10, 8181096), (11, 7437360), (12, 6817580), (14, 5843640), (15, 5454064), (16, 5113185), (19, 4305840), (20, 4090548), (21, 3895760), (22, 3718680), (24, 3408790), (28, 2921820), (30, 2727032), (33, 2479120), (35, 2337456), (38, 2152920), (40, 2045274), (42, 1947880), (44, 1859340), (48, 1704395), (55, 1487472), (56, 1460910), (57, 1435280), (60, 1363516), (66, 1239560), (70, 1168728), (76, 1076460), (77, 1062480), (80, 1022637), (84, 973940), (88, 929670), (95, 861168), (105, 779152), (110, 743736), (112, 730455), (114, 717640), (120, 681758), (132, 619780), (133, 615120), (140, 584364), (152, 538230), (154, 531240), (165, 495824), (168, 486970), (176, 464835), (190, 430584), (209, 391440), (210, 389576), (220, 371868), (228, 358820), (231, 354160), (233, 351120), (240, 340879), (264, 309890), (266, 307560), (280, 292182), (285, 287056), (304, 269115), (308, 265620), (330, 247912), (336, 243485), (380, 215292), (385, 212496), (399, 205040), (418, 195720), (420, 194788), (440, 185934), (456, 179410), (462, 177080), (466, 175560), (528, 154945), (532, 153780), (560, 146091), (570, 143528), (616, 132810), (627, 130480), (660, 123956), (665, 123024), (699, 117040), (760, 107646), (770, 106248), (798, 102520), (836, 97860), (840, 97394), (880, 92967), (912, 89705), (924, 88540), (932, 87780), (1045, 78288), (1064, 76890), (1140, 71764), (1155, 70832), (1165, 70224), (1232, 66405), (1254, 65240), (1320, 61978), (1330, 61512), (1398, 58520), (1463, 55920), (1520, 53823), (1540, 53124), (1596, 51260), (1631, 50160), (1672, 48930), (1680, 48697), (1848, 44270), (1864, 43890), (1995, 41008), (2090, 39144), (2128, 38445), (2280, 35882), (2310, 35416), (2330, 35112), (2508, 32620), (2563, 31920), (2640, 30989), (2660, 30756), (2796, 29260), (2926, 27960), (3080, 26562), (3135, 26096), (3192, 25630), (3262, 25080), (3344, 24465), (3495, 23408), (3696, 22135), (3728, 21945), (3990, 20504), (4180, 19572), (4389, 18640), (4427, 18480), (4560, 17941), (4620, 17708), (4660, 17556), (4893, 16720), (5016, 16310), (5126, 15960), (5320, 15378), (5592, 14630), (5852, 13980), (6160, 13281), (6270, 13048), (6384, 12815), (6524, 12540), (6990, 11704), (7315, 11184), (7689, 10640), (7980, 10252), (8155, 10032), (8360, 9786), (8778, 9320), (8854, 9240)]