208741680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:608

約数の個数: 240

約数和(自身を含む): 812448000

約数和(自身を除く): 603706320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 83, 84, 90, 105, 112, 120, 126, 140, 144, 166, 168, 180, 210, 240, 249, 252, 280, 315, 332, 336, 360, 415, 420, 498, 499, 504, 560, 581, 630, 664, 720, 747, 830, 840, 996, 998, 1008, 1162, 1245, 1260, 1328, 1494, 1497, 1660, 1680, 1743, 1992, 1996, 2324, 2490, 2495, 2520, 2905, 2988, 2994, 3320, 3486, 3493, 3735, 3984, 3992, 4491, 4648, 4980, 4990, 5040, 5229, 5810, 5976, 5988, 6640, 6972, 6986, 7470, 7485, 7984, 8715, 8982, 9296, 9960, 9980, 10458, 10479, 11620, 11952, 11976, 13944, 13972, 14940, 14970, 17430, 17465, 17964, 19920, 19960, 20916, 20958, 22455, 23240, 23952, 26145, 27888, 27944, 29880, 29940, 31437, 34860, 34930, 35928, 39920, 41417, 41832, 41916, 44910, 46480, 52290, 52395, 55888, 59760, 59880, 62874, 69720, 69860, 71856, 82834, 83664, 83832, 89820, 104580, 104790, 119760, 124251, 125748, 139440, 139720, 157185, 165668, 167664, 179640, 207085, 209160, 209580, 248502, 251496, 279440, 289919, 314370, 331336, 359280, 372753, 414170, 418320, 419160, 497004, 502992, 579838, 621255, 628740, 662672, 745506, 828340, 838320, 869757, 994008, 1159676, 1242510, 1257480, 1449595, 1491012, 1656680, 1739514, 1863765, 1988016, 2319352, 2485020, 2514960, 2609271, 2899190, 2982024, 3313360, 3479028, 3727530, 4348785, 4638704, 4970040, 5218542, 5798380, 5964048, 6958056, 7455060, 8697570, 9940080, 10437084, 11596760, 13046355, 13916112, 14910120, 17395140, 20874168, 23193520, 26092710, 29820240, 34790280, 41748336, 52185420, 69580560, 104370840, 208741680]

約数ペア:

[(1, 208741680), (2, 104370840), (3, 69580560), (4, 52185420), (5, 41748336), (6, 34790280), (7, 29820240), (8, 26092710), (9, 23193520), (10, 20874168), (12, 17395140), (14, 14910120), (15, 13916112), (16, 13046355), (18, 11596760), (20, 10437084), (21, 9940080), (24, 8697570), (28, 7455060), (30, 6958056), (35, 5964048), (36, 5798380), (40, 5218542), (42, 4970040), (45, 4638704), (48, 4348785), (56, 3727530), (60, 3479028), (63, 3313360), (70, 2982024), (72, 2899190), (80, 2609271), (83, 2514960), (84, 2485020), (90, 2319352), (105, 1988016), (112, 1863765), (120, 1739514), (126, 1656680), (140, 1491012), (144, 1449595), (166, 1257480), (168, 1242510), (180, 1159676), (210, 994008), (240, 869757), (249, 838320), (252, 828340), (280, 745506), (315, 662672), (332, 628740), (336, 621255), (360, 579838), (415, 502992), (420, 497004), (498, 419160), (499, 418320), (504, 414170), (560, 372753), (581, 359280), (630, 331336), (664, 314370), (720, 289919), (747, 279440), (830, 251496), (840, 248502), (996, 209580), (998, 209160), (1008, 207085), (1162, 179640), (1245, 167664), (1260, 165668), (1328, 157185), (1494, 139720), (1497, 139440), (1660, 125748), (1680, 124251), (1743, 119760), (1992, 104790), (1996, 104580), (2324, 89820), (2490, 83832), (2495, 83664), (2520, 82834), (2905, 71856), (2988, 69860), (2994, 69720), (3320, 62874), (3486, 59880), (3493, 59760), (3735, 55888), (3984, 52395), (3992, 52290), (4491, 46480), (4648, 44910), (4980, 41916), (4990, 41832), (5040, 41417), (5229, 39920), (5810, 35928), (5976, 34930), (5988, 34860), (6640, 31437), (6972, 29940), (6986, 29880), (7470, 27944), (7485, 27888), (7984, 26145), (8715, 23952), (8982, 23240), (9296, 22455), (9960, 20958), (9980, 20916), (10458, 19960), (10479, 19920), (11620, 17964), (11952, 17465), (11976, 17430), (13944, 14970), (13972, 14940)]