168921480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 256

約数和(自身を含む): 645120000

約数和(自身を除く): 476198520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 84, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 210, 217, 248, 260, 273, 280, 310, 312, 364, 372, 390, 403, 420, 434, 455, 465, 499, 520, 546, 620, 651, 728, 744, 780, 806, 840, 868, 910, 930, 998, 1085, 1092, 1209, 1240, 1302, 1365, 1497, 1560, 1612, 1736, 1820, 1860, 1996, 2015, 2170, 2184, 2418, 2495, 2604, 2730, 2821, 2994, 3224, 3255, 3493, 3640, 3720, 3992, 4030, 4340, 4836, 4990, 5208, 5460, 5642, 5988, 6045, 6487, 6510, 6986, 7485, 8060, 8463, 8680, 9672, 9980, 10479, 10920, 11284, 11976, 12090, 12974, 13020, 13972, 14105, 14970, 15469, 16120, 16926, 17465, 19461, 19960, 20958, 22568, 24180, 25948, 26040, 27944, 28210, 29940, 30938, 32435, 33852, 34930, 38922, 41916, 42315, 45409, 46407, 48360, 51896, 52395, 56420, 59880, 61876, 64870, 67704, 69860, 77345, 77844, 83832, 84630, 90818, 92814, 97305, 104790, 108283, 112840, 123752, 129740, 136227, 139720, 154690, 155688, 169260, 181636, 185628, 194610, 201097, 209580, 216566, 227045, 232035, 259480, 272454, 309380, 324849, 338520, 363272, 371256, 389220, 402194, 419160, 433132, 454090, 464070, 541415, 544908, 603291, 618760, 649698, 681135, 778440, 804388, 866264, 908180, 928140, 1005485, 1082830, 1089816, 1206582, 1299396, 1362270, 1407679, 1608776, 1624245, 1816360, 1856280, 2010970, 2165660, 2413164, 2598792, 2724540, 2815358, 3016455, 3248490, 4021940, 4223037, 4331320, 4826328, 5449080, 5630716, 6032910, 6496980, 7038395, 8043880, 8446074, 11261432, 12065820, 12993960, 14076790, 16892148, 21115185, 24131640, 28153580, 33784296, 42230370, 56307160, 84460740, 168921480]

約数ペア:

[(1, 168921480), (2, 84460740), (3, 56307160), (4, 42230370), (5, 33784296), (6, 28153580), (7, 24131640), (8, 21115185), (10, 16892148), (12, 14076790), (13, 12993960), (14, 12065820), (15, 11261432), (20, 8446074), (21, 8043880), (24, 7038395), (26, 6496980), (28, 6032910), (30, 5630716), (31, 5449080), (35, 4826328), (39, 4331320), (40, 4223037), (42, 4021940), (52, 3248490), (56, 3016455), (60, 2815358), (62, 2724540), (65, 2598792), (70, 2413164), (78, 2165660), (84, 2010970), (91, 1856280), (93, 1816360), (104, 1624245), (105, 1608776), (120, 1407679), (124, 1362270), (130, 1299396), (140, 1206582), (155, 1089816), (156, 1082830), (168, 1005485), (182, 928140), (186, 908180), (195, 866264), (210, 804388), (217, 778440), (248, 681135), (260, 649698), (273, 618760), (280, 603291), (310, 544908), (312, 541415), (364, 464070), (372, 454090), (390, 433132), (403, 419160), (420, 402194), (434, 389220), (455, 371256), (465, 363272), (499, 338520), (520, 324849), (546, 309380), (620, 272454), (651, 259480), (728, 232035), (744, 227045), (780, 216566), (806, 209580), (840, 201097), (868, 194610), (910, 185628), (930, 181636), (998, 169260), (1085, 155688), (1092, 154690), (1209, 139720), (1240, 136227), (1302, 129740), (1365, 123752), (1497, 112840), (1560, 108283), (1612, 104790), (1736, 97305), (1820, 92814), (1860, 90818), (1996, 84630), (2015, 83832), (2170, 77844), (2184, 77345), (2418, 69860), (2495, 67704), (2604, 64870), (2730, 61876), (2821, 59880), (2994, 56420), (3224, 52395), (3255, 51896), (3493, 48360), (3640, 46407), (3720, 45409), (3992, 42315), (4030, 41916), (4340, 38922), (4836, 34930), (4990, 33852), (5208, 32435), (5460, 30938), (5642, 29940), (5988, 28210), (6045, 27944), (6487, 26040), (6510, 25948), (6986, 24180), (7485, 22568), (8060, 20958), (8463, 19960), (8680, 19461), (9672, 17465), (9980, 16926), (10479, 16120), (10920, 15469), (11284, 14970), (11976, 14105), (12090, 13972), (12974, 13020)]