253231440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 320

約数和(自身を含む): 997650432

約数和(自身を除く): 744418992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 71, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 142, 154, 165, 168, 176, 193, 210, 213, 220, 231, 240, 264, 280, 284, 308, 330, 336, 355, 385, 386, 420, 426, 440, 462, 497, 528, 560, 568, 579, 616, 660, 710, 770, 772, 781, 840, 852, 880, 924, 965, 994, 1065, 1136, 1155, 1158, 1232, 1320, 1351, 1420, 1491, 1540, 1544, 1562, 1680, 1704, 1848, 1930, 1988, 2123, 2130, 2310, 2316, 2343, 2485, 2640, 2702, 2840, 2895, 2982, 3080, 3088, 3124, 3408, 3696, 3860, 3905, 3976, 4053, 4246, 4260, 4620, 4632, 4686, 4970, 5404, 5467, 5680, 5790, 5964, 6160, 6248, 6369, 6755, 7455, 7720, 7810, 7952, 8106, 8492, 8520, 9240, 9264, 9372, 9940, 10615, 10808, 10934, 11580, 11715, 11928, 12496, 12738, 13510, 13703, 14861, 14910, 15440, 15620, 16212, 16401, 16984, 17040, 18480, 18744, 19880, 20265, 21230, 21616, 21868, 23160, 23430, 23856, 25476, 27020, 27335, 27406, 29722, 29820, 31240, 31845, 32424, 32802, 33968, 37488, 39760, 40530, 41109, 42460, 43736, 44583, 46320, 46860, 50952, 54040, 54670, 54812, 59444, 59640, 62480, 63690, 64848, 65604, 68515, 74305, 81060, 82005, 82218, 84920, 87472, 89166, 93720, 95921, 101904, 108080, 109340, 109624, 118888, 119280, 127380, 131208, 137030, 148610, 150733, 162120, 164010, 164436, 169840, 178332, 187440, 191842, 205545, 218680, 219248, 222915, 237776, 254760, 262416, 274060, 287763, 297220, 301466, 324240, 328020, 328872, 356664, 383684, 411090, 437360, 445830, 452199, 479605, 509520, 548120, 575526, 594440, 602932, 656040, 657744, 713328, 753665, 767368, 822180, 891660, 904398, 959210, 1055131, 1096240, 1151052, 1188880, 1205864, 1312080, 1438815, 1507330, 1534736, 1644360, 1783320, 1808796, 1918420, 2110262, 2260995, 2302104, 2411728, 2877630, 3014660, 3165393, 3288720, 3566640, 3617592, 3836840, 4220524, 4521990, 4604208, 5275655, 5755260, 6029320, 6330786, 7235184, 7673680, 8441048, 9043980, 10551310, 11510520, 12058640, 12661572, 15826965, 16882096, 18087960, 21102620, 23021040, 25323144, 31653930, 36175920, 42205240, 50646288, 63307860, 84410480, 126615720, 253231440]

約数ペア:

[(1, 253231440), (2, 126615720), (3, 84410480), (4, 63307860), (5, 50646288), (6, 42205240), (7, 36175920), (8, 31653930), (10, 25323144), (11, 23021040), (12, 21102620), (14, 18087960), (15, 16882096), (16, 15826965), (20, 12661572), (21, 12058640), (22, 11510520), (24, 10551310), (28, 9043980), (30, 8441048), (33, 7673680), (35, 7235184), (40, 6330786), (42, 6029320), (44, 5755260), (48, 5275655), (55, 4604208), (56, 4521990), (60, 4220524), (66, 3836840), (70, 3617592), (71, 3566640), (77, 3288720), (80, 3165393), (84, 3014660), (88, 2877630), (105, 2411728), (110, 2302104), (112, 2260995), (120, 2110262), (132, 1918420), (140, 1808796), (142, 1783320), (154, 1644360), (165, 1534736), (168, 1507330), (176, 1438815), (193, 1312080), (210, 1205864), (213, 1188880), (220, 1151052), (231, 1096240), (240, 1055131), (264, 959210), (280, 904398), (284, 891660), (308, 822180), (330, 767368), (336, 753665), (355, 713328), (385, 657744), (386, 656040), (420, 602932), (426, 594440), (440, 575526), (462, 548120), (497, 509520), (528, 479605), (560, 452199), (568, 445830), (579, 437360), (616, 411090), (660, 383684), (710, 356664), (770, 328872), (772, 328020), (781, 324240), (840, 301466), (852, 297220), (880, 287763), (924, 274060), (965, 262416), (994, 254760), (1065, 237776), (1136, 222915), (1155, 219248), (1158, 218680), (1232, 205545), (1320, 191842), (1351, 187440), (1420, 178332), (1491, 169840), (1540, 164436), (1544, 164010), (1562, 162120), (1680, 150733), (1704, 148610), (1848, 137030), (1930, 131208), (1988, 127380), (2123, 119280), (2130, 118888), (2310, 109624), (2316, 109340), (2343, 108080), (2485, 101904), (2640, 95921), (2702, 93720), (2840, 89166), (2895, 87472), (2982, 84920), (3080, 82218), (3088, 82005), (3124, 81060), (3408, 74305), (3696, 68515), (3860, 65604), (3905, 64848), (3976, 63690), (4053, 62480), (4246, 59640), (4260, 59444), (4620, 54812), (4632, 54670), (4686, 54040), (4970, 50952), (5404, 46860), (5467, 46320), (5680, 44583), (5790, 43736), (5964, 42460), (6160, 41109), (6248, 40530), (6369, 39760), (6755, 37488), (7455, 33968), (7720, 32802), (7810, 32424), (7952, 31845), (8106, 31240), (8492, 29820), (8520, 29722), (9240, 27406), (9264, 27335), (9372, 27020), (9940, 25476), (10615, 23856), (10808, 23430), (10934, 23160), (11580, 21868), (11715, 21616), (11928, 21230), (12496, 20265), (12738, 19880), (13510, 18744), (13703, 18480), (14861, 17040), (14910, 16984), (15440, 16401), (15620, 16212)]