128756880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:518

約数の個数: 240

約数和(自身を含む): 503717760

約数和(自身を除く): 374960880

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, 59, 60, 63, 70, 72, 80, 84, 90, 105, 112, 118, 120, 126, 140, 144, 168, 177, 180, 210, 236, 240, 252, 280, 295, 315, 336, 354, 360, 413, 420, 433, 472, 504, 531, 560, 590, 630, 708, 720, 826, 840, 866, 885, 944, 1008, 1062, 1180, 1239, 1260, 1299, 1416, 1652, 1680, 1732, 1770, 2065, 2124, 2165, 2360, 2478, 2520, 2598, 2655, 2832, 3031, 3304, 3464, 3540, 3717, 3897, 4130, 4248, 4330, 4720, 4956, 5040, 5196, 5310, 6062, 6195, 6495, 6608, 6928, 7080, 7434, 7794, 8260, 8496, 8660, 9093, 9912, 10392, 10620, 12124, 12390, 12990, 14160, 14868, 15155, 15588, 16520, 17320, 18186, 18585, 19485, 19824, 20784, 21240, 24248, 24780, 25547, 25980, 27279, 29736, 30310, 31176, 33040, 34640, 36372, 37170, 38970, 42480, 45465, 48496, 49560, 51094, 51960, 54558, 59472, 60620, 62352, 72744, 74340, 76641, 77940, 90930, 99120, 102188, 103920, 109116, 121240, 127735, 136395, 145488, 148680, 153282, 155880, 178829, 181860, 204376, 218232, 229923, 242480, 255470, 272790, 297360, 306564, 311760, 357658, 363720, 383205, 408752, 436464, 459846, 510940, 536487, 545580, 613128, 715316, 727440, 766410, 894145, 919692, 1021880, 1072974, 1091160, 1149615, 1226256, 1430632, 1532820, 1609461, 1788290, 1839384, 2043760, 2145948, 2182320, 2299230, 2682435, 2861264, 3065640, 3218922, 3576580, 3678768, 4291896, 4598460, 5364870, 6131280, 6437844, 7153160, 8047305, 8583792, 9196920, 10729740, 12875688, 14306320, 16094610, 18393840, 21459480, 25751376, 32189220, 42918960, 64378440, 128756880]

約数ペア:

[(1, 128756880), (2, 64378440), (3, 42918960), (4, 32189220), (5, 25751376), (6, 21459480), (7, 18393840), (8, 16094610), (9, 14306320), (10, 12875688), (12, 10729740), (14, 9196920), (15, 8583792), (16, 8047305), (18, 7153160), (20, 6437844), (21, 6131280), (24, 5364870), (28, 4598460), (30, 4291896), (35, 3678768), (36, 3576580), (40, 3218922), (42, 3065640), (45, 2861264), (48, 2682435), (56, 2299230), (59, 2182320), (60, 2145948), (63, 2043760), (70, 1839384), (72, 1788290), (80, 1609461), (84, 1532820), (90, 1430632), (105, 1226256), (112, 1149615), (118, 1091160), (120, 1072974), (126, 1021880), (140, 919692), (144, 894145), (168, 766410), (177, 727440), (180, 715316), (210, 613128), (236, 545580), (240, 536487), (252, 510940), (280, 459846), (295, 436464), (315, 408752), (336, 383205), (354, 363720), (360, 357658), (413, 311760), (420, 306564), (433, 297360), (472, 272790), (504, 255470), (531, 242480), (560, 229923), (590, 218232), (630, 204376), (708, 181860), (720, 178829), (826, 155880), (840, 153282), (866, 148680), (885, 145488), (944, 136395), (1008, 127735), (1062, 121240), (1180, 109116), (1239, 103920), (1260, 102188), (1299, 99120), (1416, 90930), (1652, 77940), (1680, 76641), (1732, 74340), (1770, 72744), (2065, 62352), (2124, 60620), (2165, 59472), (2360, 54558), (2478, 51960), (2520, 51094), (2598, 49560), (2655, 48496), (2832, 45465), (3031, 42480), (3304, 38970), (3464, 37170), (3540, 36372), (3717, 34640), (3897, 33040), (4130, 31176), (4248, 30310), (4330, 29736), (4720, 27279), (4956, 25980), (5040, 25547), (5196, 24780), (5310, 24248), (6062, 21240), (6195, 20784), (6495, 19824), (6608, 19485), (6928, 18585), (7080, 18186), (7434, 17320), (7794, 16520), (8260, 15588), (8496, 15155), (8660, 14868), (9093, 14160), (9912, 12990), (10392, 12390), (10620, 12124)]