77378280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 267079680

約数和(自身を除く): 189701400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 251, 280, 367, 420, 502, 734, 753, 840, 1004, 1101, 1255, 1468, 1506, 1757, 1835, 2008, 2202, 2510, 2569, 2936, 3012, 3514, 3670, 3765, 4404, 5020, 5138, 5271, 5505, 6024, 7028, 7340, 7530, 7707, 8785, 8808, 10040, 10276, 10542, 11010, 12845, 14056, 14680, 15060, 15414, 17570, 20552, 21084, 22020, 25690, 26355, 30120, 30828, 35140, 38535, 42168, 44040, 51380, 52710, 61656, 70280, 77070, 92117, 102760, 105420, 154140, 184234, 210840, 276351, 308280, 368468, 460585, 552702, 644819, 736936, 921170, 1105404, 1289638, 1381755, 1842340, 1934457, 2210808, 2579276, 2763510, 3224095, 3684680, 3868914, 5158552, 5527020, 6448190, 7737828, 9672285, 11054040, 12896380, 15475656, 19344570, 25792760, 38689140, 77378280]

約数ペア:

[(1, 77378280), (2, 38689140), (3, 25792760), (4, 19344570), (5, 15475656), (6, 12896380), (7, 11054040), (8, 9672285), (10, 7737828), (12, 6448190), (14, 5527020), (15, 5158552), (20, 3868914), (21, 3684680), (24, 3224095), (28, 2763510), (30, 2579276), (35, 2210808), (40, 1934457), (42, 1842340), (56, 1381755), (60, 1289638), (70, 1105404), (84, 921170), (105, 736936), (120, 644819), (140, 552702), (168, 460585), (210, 368468), (251, 308280), (280, 276351), (367, 210840), (420, 184234), (502, 154140), (734, 105420), (753, 102760), (840, 92117), (1004, 77070), (1101, 70280), (1255, 61656), (1468, 52710), (1506, 51380), (1757, 44040), (1835, 42168), (2008, 38535), (2202, 35140), (2510, 30828), (2569, 30120), (2936, 26355), (3012, 25690), (3514, 22020), (3670, 21084), (3765, 20552), (4404, 17570), (5020, 15414), (5138, 15060), (5271, 14680), (5505, 14056), (6024, 12845), (7028, 11010), (7340, 10542), (7530, 10276), (7707, 10040), (8785, 8808)]