128521120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 216

約数和(自身を含む): 386405964

約数和(自身を除く): 257884844

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 97, 98, 104, 112, 130, 140, 160, 169, 182, 194, 196, 208, 224, 245, 260, 280, 338, 364, 388, 392, 416, 455, 485, 490, 520, 560, 637, 676, 679, 728, 776, 784, 845, 910, 970, 980, 1040, 1120, 1183, 1261, 1274, 1352, 1358, 1456, 1552, 1568, 1690, 1820, 1940, 1960, 2080, 2366, 2522, 2548, 2704, 2716, 2912, 3104, 3185, 3380, 3395, 3640, 3880, 3920, 4732, 4753, 5044, 5096, 5408, 5432, 5915, 6305, 6370, 6760, 6790, 7280, 7760, 7840, 8281, 8827, 9464, 9506, 10088, 10192, 10864, 11830, 12610, 12740, 13520, 13580, 14560, 15520, 16393, 16562, 17654, 18928, 19012, 20176, 20384, 21728, 23660, 23765, 25220, 25480, 27040, 27160, 32786, 33124, 35308, 37856, 38024, 40352, 41405, 44135, 47320, 47530, 50440, 50960, 54320, 61789, 65572, 66248, 70616, 76048, 81965, 82810, 88270, 94640, 95060, 100880, 101920, 108640, 114751, 123578, 131144, 132496, 141232, 152096, 163930, 165620, 176540, 189280, 190120, 201760, 229502, 247156, 262288, 264992, 282464, 308945, 327860, 331240, 353080, 380240, 459004, 494312, 524576, 573755, 617890, 655720, 662480, 706160, 760480, 803257, 918008, 988624, 1147510, 1235780, 1311440, 1324960, 1412320, 1606514, 1836016, 1977248, 2295020, 2471560, 2622880, 3213028, 3672032, 4016285, 4590040, 4943120, 6426056, 8032570, 9180080, 9886240, 12852112, 16065140, 18360160, 25704224, 32130280, 64260560, 128521120]

約数ペア:

[(1, 128521120), (2, 64260560), (4, 32130280), (5, 25704224), (7, 18360160), (8, 16065140), (10, 12852112), (13, 9886240), (14, 9180080), (16, 8032570), (20, 6426056), (26, 4943120), (28, 4590040), (32, 4016285), (35, 3672032), (40, 3213028), (49, 2622880), (52, 2471560), (56, 2295020), (65, 1977248), (70, 1836016), (80, 1606514), (91, 1412320), (97, 1324960), (98, 1311440), (104, 1235780), (112, 1147510), (130, 988624), (140, 918008), (160, 803257), (169, 760480), (182, 706160), (194, 662480), (196, 655720), (208, 617890), (224, 573755), (245, 524576), (260, 494312), (280, 459004), (338, 380240), (364, 353080), (388, 331240), (392, 327860), (416, 308945), (455, 282464), (485, 264992), (490, 262288), (520, 247156), (560, 229502), (637, 201760), (676, 190120), (679, 189280), (728, 176540), (776, 165620), (784, 163930), (845, 152096), (910, 141232), (970, 132496), (980, 131144), (1040, 123578), (1120, 114751), (1183, 108640), (1261, 101920), (1274, 100880), (1352, 95060), (1358, 94640), (1456, 88270), (1552, 82810), (1568, 81965), (1690, 76048), (1820, 70616), (1940, 66248), (1960, 65572), (2080, 61789), (2366, 54320), (2522, 50960), (2548, 50440), (2704, 47530), (2716, 47320), (2912, 44135), (3104, 41405), (3185, 40352), (3380, 38024), (3395, 37856), (3640, 35308), (3880, 33124), (3920, 32786), (4732, 27160), (4753, 27040), (5044, 25480), (5096, 25220), (5408, 23765), (5432, 23660), (5915, 21728), (6305, 20384), (6370, 20176), (6760, 19012), (6790, 18928), (7280, 17654), (7760, 16562), (7840, 16393), (8281, 15520), (8827, 14560), (9464, 13580), (9506, 13520), (10088, 12740), (10192, 12610), (10864, 11830)]