154721560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 423936000

約数和(自身を除く): 269214440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 127, 133, 140, 152, 190, 229, 254, 266, 280, 380, 458, 508, 532, 635, 665, 760, 889, 916, 1016, 1064, 1145, 1270, 1330, 1603, 1778, 1832, 2290, 2413, 2540, 2660, 3206, 3556, 4351, 4445, 4580, 4826, 5080, 5320, 6412, 7112, 8015, 8702, 8890, 9160, 9652, 12065, 12824, 16030, 16891, 17404, 17780, 19304, 21755, 24130, 29083, 30457, 32060, 33782, 34808, 35560, 43510, 48260, 58166, 60914, 64120, 67564, 84455, 87020, 96520, 116332, 121828, 135128, 145415, 152285, 168910, 174040, 203581, 232664, 243656, 290830, 304570, 337820, 407162, 552577, 581660, 609140, 675640, 814324, 1017905, 1105154, 1163320, 1218280, 1628648, 2035810, 2210308, 2762885, 3868039, 4071620, 4420616, 5525770, 7736078, 8143240, 11051540, 15472156, 19340195, 22103080, 30944312, 38680390, 77360780, 154721560]

約数ペア:

[(1, 154721560), (2, 77360780), (4, 38680390), (5, 30944312), (7, 22103080), (8, 19340195), (10, 15472156), (14, 11051540), (19, 8143240), (20, 7736078), (28, 5525770), (35, 4420616), (38, 4071620), (40, 3868039), (56, 2762885), (70, 2210308), (76, 2035810), (95, 1628648), (127, 1218280), (133, 1163320), (140, 1105154), (152, 1017905), (190, 814324), (229, 675640), (254, 609140), (266, 581660), (280, 552577), (380, 407162), (458, 337820), (508, 304570), (532, 290830), (635, 243656), (665, 232664), (760, 203581), (889, 174040), (916, 168910), (1016, 152285), (1064, 145415), (1145, 135128), (1270, 121828), (1330, 116332), (1603, 96520), (1778, 87020), (1832, 84455), (2290, 67564), (2413, 64120), (2540, 60914), (2660, 58166), (3206, 48260), (3556, 43510), (4351, 35560), (4445, 34808), (4580, 33782), (4826, 32060), (5080, 30457), (5320, 29083), (6412, 24130), (7112, 21755), (8015, 19304), (8702, 17780), (8890, 17404), (9160, 16891), (9652, 16030), (12065, 12824)]