861405440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:912

約数の個数: 144

約数和(自身を含む): 2379804672

約数和(自身を除く): 1518399232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 256, 280, 320, 448, 508, 560, 635, 640, 757, 889, 896, 1016, 1120, 1270, 1280, 1514, 1778, 1792, 2032, 2240, 2540, 3028, 3556, 3785, 4064, 4445, 4480, 5080, 5299, 6056, 7112, 7570, 8128, 8890, 8960, 10160, 10598, 12112, 14224, 15140, 16256, 17780, 20320, 21196, 24224, 26495, 28448, 30280, 32512, 35560, 40640, 42392, 48448, 52990, 56896, 60560, 71120, 81280, 84784, 96139, 96896, 105980, 113792, 121120, 142240, 162560, 169568, 192278, 193792, 211960, 227584, 242240, 284480, 339136, 384556, 423920, 480695, 484480, 568960, 672973, 678272, 769112, 847840, 961390, 968960, 1137920, 1345946, 1356544, 1538224, 1695680, 1922780, 2691892, 3076448, 3364865, 3391360, 3845560, 5383784, 6152896, 6729730, 6782720, 7691120, 10767568, 12305792, 13459460, 15382240, 21535136, 24611584, 26918920, 30764480, 43070272, 53837840, 61528960, 86140544, 107675680, 123057920, 172281088, 215351360, 430702720, 861405440]

約数ペア:

[(1, 861405440), (2, 430702720), (4, 215351360), (5, 172281088), (7, 123057920), (8, 107675680), (10, 86140544), (14, 61528960), (16, 53837840), (20, 43070272), (28, 30764480), (32, 26918920), (35, 24611584), (40, 21535136), (56, 15382240), (64, 13459460), (70, 12305792), (80, 10767568), (112, 7691120), (127, 6782720), (128, 6729730), (140, 6152896), (160, 5383784), (224, 3845560), (254, 3391360), (256, 3364865), (280, 3076448), (320, 2691892), (448, 1922780), (508, 1695680), (560, 1538224), (635, 1356544), (640, 1345946), (757, 1137920), (889, 968960), (896, 961390), (1016, 847840), (1120, 769112), (1270, 678272), (1280, 672973), (1514, 568960), (1778, 484480), (1792, 480695), (2032, 423920), (2240, 384556), (2540, 339136), (3028, 284480), (3556, 242240), (3785, 227584), (4064, 211960), (4445, 193792), (4480, 192278), (5080, 169568), (5299, 162560), (6056, 142240), (7112, 121120), (7570, 113792), (8128, 105980), (8890, 96896), (8960, 96139), (10160, 84784), (10598, 81280), (12112, 71120), (14224, 60560), (15140, 56896), (16256, 52990), (17780, 48448), (20320, 42392), (21196, 40640), (24224, 35560), (26495, 32512), (28448, 30280)]