253455440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 240

約数和(自身を含む): 748077120

約数和(自身を除く): 494621680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 41, 49, 56, 70, 76, 80, 82, 83, 95, 98, 112, 133, 140, 152, 164, 166, 190, 196, 205, 245, 266, 280, 287, 304, 328, 332, 380, 392, 410, 415, 490, 532, 560, 574, 581, 656, 664, 665, 760, 779, 784, 820, 830, 931, 980, 1064, 1148, 1162, 1328, 1330, 1435, 1520, 1558, 1577, 1640, 1660, 1862, 1960, 2009, 2128, 2296, 2324, 2660, 2870, 2905, 3116, 3154, 3280, 3320, 3403, 3724, 3895, 3920, 4018, 4067, 4592, 4648, 4655, 5320, 5453, 5740, 5810, 6232, 6308, 6640, 6806, 7448, 7790, 7885, 8036, 8134, 9296, 9310, 10045, 10640, 10906, 11039, 11480, 11620, 12464, 12616, 13612, 14896, 15580, 15770, 16072, 16268, 17015, 18620, 20090, 20335, 21812, 22078, 22960, 23240, 23821, 25232, 27224, 27265, 31160, 31540, 32144, 32536, 34030, 37240, 38171, 40180, 40670, 43624, 44156, 46480, 47642, 54448, 54530, 55195, 62320, 63080, 64657, 65072, 68060, 74480, 76342, 77273, 80360, 81340, 87248, 88312, 95284, 109060, 110390, 119105, 126160, 129314, 136120, 152684, 154546, 160720, 162680, 166747, 176624, 190568, 190855, 218120, 220780, 238210, 258628, 272240, 305368, 309092, 323285, 325360, 333494, 381136, 381710, 386365, 436240, 441560, 452599, 476420, 517256, 610736, 618184, 646570, 666988, 763420, 772730, 833735, 883120, 905198, 952840, 1034512, 1236368, 1293140, 1333976, 1526840, 1545460, 1667470, 1810396, 1905680, 2262995, 2586280, 2667952, 3053680, 3090920, 3168193, 3334940, 3620792, 4525990, 5172560, 6181840, 6336386, 6669880, 7241584, 9051980, 12672772, 13339760, 15840965, 18103960, 25345544, 31681930, 36207920, 50691088, 63363860, 126727720, 253455440]

約数ペア:

[(1, 253455440), (2, 126727720), (4, 63363860), (5, 50691088), (7, 36207920), (8, 31681930), (10, 25345544), (14, 18103960), (16, 15840965), (19, 13339760), (20, 12672772), (28, 9051980), (35, 7241584), (38, 6669880), (40, 6336386), (41, 6181840), (49, 5172560), (56, 4525990), (70, 3620792), (76, 3334940), (80, 3168193), (82, 3090920), (83, 3053680), (95, 2667952), (98, 2586280), (112, 2262995), (133, 1905680), (140, 1810396), (152, 1667470), (164, 1545460), (166, 1526840), (190, 1333976), (196, 1293140), (205, 1236368), (245, 1034512), (266, 952840), (280, 905198), (287, 883120), (304, 833735), (328, 772730), (332, 763420), (380, 666988), (392, 646570), (410, 618184), (415, 610736), (490, 517256), (532, 476420), (560, 452599), (574, 441560), (581, 436240), (656, 386365), (664, 381710), (665, 381136), (760, 333494), (779, 325360), (784, 323285), (820, 309092), (830, 305368), (931, 272240), (980, 258628), (1064, 238210), (1148, 220780), (1162, 218120), (1328, 190855), (1330, 190568), (1435, 176624), (1520, 166747), (1558, 162680), (1577, 160720), (1640, 154546), (1660, 152684), (1862, 136120), (1960, 129314), (2009, 126160), (2128, 119105), (2296, 110390), (2324, 109060), (2660, 95284), (2870, 88312), (2905, 87248), (3116, 81340), (3154, 80360), (3280, 77273), (3320, 76342), (3403, 74480), (3724, 68060), (3895, 65072), (3920, 64657), (4018, 63080), (4067, 62320), (4592, 55195), (4648, 54530), (4655, 54448), (5320, 47642), (5453, 46480), (5740, 44156), (5810, 43624), (6232, 40670), (6308, 40180), (6640, 38171), (6806, 37240), (7448, 34030), (7790, 32536), (7885, 32144), (8036, 31540), (8134, 31160), (9296, 27265), (9310, 27224), (10045, 25232), (10640, 23821), (10906, 23240), (11039, 22960), (11480, 22078), (11620, 21812), (12464, 20335), (12616, 20090), (13612, 18620), (14896, 17015), (15580, 16268), (15770, 16072)]