70990980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 213373440

約数和(自身を除く): 142382460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 79, 85, 102, 158, 170, 204, 237, 255, 316, 340, 395, 474, 510, 790, 881, 948, 1020, 1185, 1343, 1580, 1762, 2370, 2643, 2686, 3524, 4029, 4405, 4740, 5286, 5372, 6715, 8058, 8810, 10572, 13215, 13430, 14977, 16116, 17620, 20145, 26430, 26860, 29954, 40290, 44931, 52860, 59908, 69599, 74885, 80580, 89862, 139198, 149770, 179724, 208797, 224655, 278396, 299540, 347995, 417594, 449310, 695990, 835188, 898620, 1043985, 1183183, 1391980, 2087970, 2366366, 3549549, 4175940, 4732732, 5915915, 7099098, 11831830, 14198196, 17747745, 23663660, 35495490, 70990980]

約数ペア:

[(1, 70990980), (2, 35495490), (3, 23663660), (4, 17747745), (5, 14198196), (6, 11831830), (10, 7099098), (12, 5915915), (15, 4732732), (17, 4175940), (20, 3549549), (30, 2366366), (34, 2087970), (51, 1391980), (60, 1183183), (68, 1043985), (79, 898620), (85, 835188), (102, 695990), (158, 449310), (170, 417594), (204, 347995), (237, 299540), (255, 278396), (316, 224655), (340, 208797), (395, 179724), (474, 149770), (510, 139198), (790, 89862), (881, 80580), (948, 74885), (1020, 69599), (1185, 59908), (1343, 52860), (1580, 44931), (1762, 40290), (2370, 29954), (2643, 26860), (2686, 26430), (3524, 20145), (4029, 17620), (4405, 16116), (4740, 14977), (5286, 13430), (5372, 13215), (6715, 10572), (8058, 8810)]