261839760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 320

約数和(自身を含む): 1053265920

約数和(自身を除く): 791426160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 48, 52, 56, 57, 60, 65, 70, 76, 78, 80, 84, 91, 95, 104, 105, 112, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 208, 210, 228, 240, 247, 260, 266, 273, 280, 285, 304, 312, 336, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 560, 570, 624, 631, 665, 728, 741, 760, 780, 798, 840, 910, 912, 988, 1040, 1064, 1092, 1140, 1235, 1262, 1330, 1365, 1456, 1482, 1520, 1560, 1596, 1680, 1729, 1820, 1893, 1976, 1995, 2128, 2184, 2280, 2470, 2524, 2660, 2730, 2964, 3120, 3155, 3192, 3458, 3640, 3705, 3786, 3952, 3990, 4368, 4417, 4560, 4940, 5048, 5187, 5320, 5460, 5928, 6310, 6384, 6916, 7280, 7410, 7572, 7980, 8203, 8645, 8834, 9465, 9880, 10096, 10374, 10640, 10920, 11856, 11989, 12620, 13251, 13832, 14820, 15144, 15960, 16406, 17290, 17668, 18930, 19760, 20748, 21840, 22085, 23978, 24609, 25240, 25935, 26502, 27664, 29640, 30288, 31920, 32812, 34580, 35336, 35967, 37860, 41015, 41496, 44170, 47956, 49218, 50480, 51870, 53004, 57421, 59280, 59945, 65624, 66255, 69160, 70672, 71934, 75720, 82030, 82992, 83923, 88340, 95912, 98436, 103740, 106008, 114842, 119890, 123045, 131248, 132510, 138320, 143868, 151440, 155857, 164060, 167846, 172263, 176680, 179835, 191824, 196872, 207480, 212016, 229684, 239780, 246090, 251769, 265020, 287105, 287736, 311714, 328120, 335692, 344526, 353360, 359670, 393744, 414960, 419615, 459368, 467571, 479560, 492180, 503538, 530040, 574210, 575472, 623428, 656240, 671384, 689052, 719340, 779285, 839230, 861315, 918736, 935142, 959120, 984360, 1007076, 1060080, 1090999, 1148420, 1246856, 1258845, 1342768, 1378104, 1438680, 1558570, 1678460, 1722630, 1870284, 1968720, 2014152, 2181998, 2296840, 2337855, 2493712, 2517690, 2756208, 2877360, 3117140, 3272997, 3356920, 3445260, 3740568, 4028304, 4363996, 4593680, 4675710, 5035380, 5454995, 6234280, 6545994, 6713840, 6890520, 7481136, 8727992, 9351420, 10070760, 10909990, 12468560, 13091988, 13781040, 16364985, 17455984, 18702840, 20141520, 21819980, 26183976, 32729970, 37405680, 43639960, 52367952, 65459940, 87279920, 130919880, 261839760]

約数ペア:

[(1, 261839760), (2, 130919880), (3, 87279920), (4, 65459940), (5, 52367952), (6, 43639960), (7, 37405680), (8, 32729970), (10, 26183976), (12, 21819980), (13, 20141520), (14, 18702840), (15, 17455984), (16, 16364985), (19, 13781040), (20, 13091988), (21, 12468560), (24, 10909990), (26, 10070760), (28, 9351420), (30, 8727992), (35, 7481136), (38, 6890520), (39, 6713840), (40, 6545994), (42, 6234280), (48, 5454995), (52, 5035380), (56, 4675710), (57, 4593680), (60, 4363996), (65, 4028304), (70, 3740568), (76, 3445260), (78, 3356920), (80, 3272997), (84, 3117140), (91, 2877360), (95, 2756208), (104, 2517690), (105, 2493712), (112, 2337855), (114, 2296840), (120, 2181998), (130, 2014152), (133, 1968720), (140, 1870284), (152, 1722630), (156, 1678460), (168, 1558570), (182, 1438680), (190, 1378104), (195, 1342768), (208, 1258845), (210, 1246856), (228, 1148420), (240, 1090999), (247, 1060080), (260, 1007076), (266, 984360), (273, 959120), (280, 935142), (285, 918736), (304, 861315), (312, 839230), (336, 779285), (364, 719340), (380, 689052), (390, 671384), (399, 656240), (420, 623428), (455, 575472), (456, 574210), (494, 530040), (520, 503538), (532, 492180), (546, 479560), (560, 467571), (570, 459368), (624, 419615), (631, 414960), (665, 393744), (728, 359670), (741, 353360), (760, 344526), (780, 335692), (798, 328120), (840, 311714), (910, 287736), (912, 287105), (988, 265020), (1040, 251769), (1064, 246090), (1092, 239780), (1140, 229684), (1235, 212016), (1262, 207480), (1330, 196872), (1365, 191824), (1456, 179835), (1482, 176680), (1520, 172263), (1560, 167846), (1596, 164060), (1680, 155857), (1729, 151440), (1820, 143868), (1893, 138320), (1976, 132510), (1995, 131248), (2128, 123045), (2184, 119890), (2280, 114842), (2470, 106008), (2524, 103740), (2660, 98436), (2730, 95912), (2964, 88340), (3120, 83923), (3155, 82992), (3192, 82030), (3458, 75720), (3640, 71934), (3705, 70672), (3786, 69160), (3952, 66255), (3990, 65624), (4368, 59945), (4417, 59280), (4560, 57421), (4940, 53004), (5048, 51870), (5187, 50480), (5320, 49218), (5460, 47956), (5928, 44170), (6310, 41496), (6384, 41015), (6916, 37860), (7280, 35967), (7410, 35336), (7572, 34580), (7980, 32812), (8203, 31920), (8645, 30288), (8834, 29640), (9465, 27664), (9880, 26502), (10096, 25935), (10374, 25240), (10640, 24609), (10920, 23978), (11856, 22085), (11989, 21840), (12620, 20748), (13251, 19760), (13832, 18930), (14820, 17668), (15144, 17290), (15960, 16406)]