278322240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:609

約数の個数: 224

約数和(自身を含む): 1024128000

約数和(自身を除く): 745805760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 83, 84, 96, 105, 112, 120, 140, 160, 166, 168, 192, 210, 224, 240, 249, 280, 320, 332, 336, 415, 420, 448, 480, 498, 499, 560, 581, 664, 672, 830, 840, 960, 996, 998, 1120, 1162, 1245, 1328, 1344, 1497, 1660, 1680, 1743, 1992, 1996, 2240, 2324, 2490, 2495, 2656, 2905, 2994, 3320, 3360, 3486, 3493, 3984, 3992, 4648, 4980, 4990, 5312, 5810, 5988, 6640, 6720, 6972, 6986, 7485, 7968, 7984, 8715, 9296, 9960, 9980, 10479, 11620, 11976, 13280, 13944, 13972, 14970, 15936, 15968, 17430, 17465, 18592, 19920, 19960, 20958, 23240, 23952, 26560, 27888, 27944, 29940, 31936, 34860, 34930, 37184, 39840, 39920, 41417, 41916, 46480, 47904, 52395, 55776, 55888, 59880, 69720, 69860, 79680, 79840, 82834, 83832, 92960, 95808, 104790, 111552, 111776, 119760, 124251, 139440, 139720, 159680, 165668, 167664, 185920, 207085, 209580, 223552, 239520, 248502, 278880, 279440, 289919, 331336, 335328, 414170, 419160, 479040, 497004, 557760, 558880, 579838, 621255, 662672, 670656, 828340, 838320, 869757, 994008, 1117760, 1159676, 1242510, 1325344, 1449595, 1656680, 1676640, 1739514, 1988016, 2319352, 2485020, 2650688, 2899190, 3313360, 3353280, 3479028, 3976032, 4348785, 4638704, 4970040, 5798380, 6626720, 6958056, 7952064, 8697570, 9277408, 9940080, 11596760, 13253440, 13916112, 17395140, 18554816, 19880160, 23193520, 27832224, 34790280, 39760320, 46387040, 55664448, 69580560, 92774080, 139161120, 278322240]

約数ペア:

[(1, 278322240), (2, 139161120), (3, 92774080), (4, 69580560), (5, 55664448), (6, 46387040), (7, 39760320), (8, 34790280), (10, 27832224), (12, 23193520), (14, 19880160), (15, 18554816), (16, 17395140), (20, 13916112), (21, 13253440), (24, 11596760), (28, 9940080), (30, 9277408), (32, 8697570), (35, 7952064), (40, 6958056), (42, 6626720), (48, 5798380), (56, 4970040), (60, 4638704), (64, 4348785), (70, 3976032), (80, 3479028), (83, 3353280), (84, 3313360), (96, 2899190), (105, 2650688), (112, 2485020), (120, 2319352), (140, 1988016), (160, 1739514), (166, 1676640), (168, 1656680), (192, 1449595), (210, 1325344), (224, 1242510), (240, 1159676), (249, 1117760), (280, 994008), (320, 869757), (332, 838320), (336, 828340), (415, 670656), (420, 662672), (448, 621255), (480, 579838), (498, 558880), (499, 557760), (560, 497004), (581, 479040), (664, 419160), (672, 414170), (830, 335328), (840, 331336), (960, 289919), (996, 279440), (998, 278880), (1120, 248502), (1162, 239520), (1245, 223552), (1328, 209580), (1344, 207085), (1497, 185920), (1660, 167664), (1680, 165668), (1743, 159680), (1992, 139720), (1996, 139440), (2240, 124251), (2324, 119760), (2490, 111776), (2495, 111552), (2656, 104790), (2905, 95808), (2994, 92960), (3320, 83832), (3360, 82834), (3486, 79840), (3493, 79680), (3984, 69860), (3992, 69720), (4648, 59880), (4980, 55888), (4990, 55776), (5312, 52395), (5810, 47904), (5988, 46480), (6640, 41916), (6720, 41417), (6972, 39920), (6986, 39840), (7485, 37184), (7968, 34930), (7984, 34860), (8715, 31936), (9296, 29940), (9960, 27944), (9980, 27888), (10479, 26560), (11620, 23952), (11976, 23240), (13280, 20958), (13944, 19960), (13972, 19920), (14970, 18592), (15936, 17465), (15968, 17430)]