81352680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1215

約数の個数: 128

約数和(自身を含む): 265420800

約数和(自身を除く): 184068120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1151, 1178, 1240, 1767, 1860, 2280, 2302, 2356, 2945, 3453, 3534, 3720, 4604, 4712, 5755, 5890, 6906, 7068, 8835, 9208, 11510, 11780, 13812, 14136, 17265, 17670, 21869, 23020, 23560, 27624, 34530, 35340, 35681, 43738, 46040, 65607, 69060, 70680, 71362, 87476, 107043, 109345, 131214, 138120, 142724, 174952, 178405, 214086, 218690, 262428, 285448, 328035, 356810, 428172, 437380, 524856, 535215, 656070, 677939, 713620, 856344, 874760, 1070430, 1312140, 1355878, 1427240, 2033817, 2140860, 2624280, 2711756, 3389695, 4067634, 4281720, 5423512, 6779390, 8135268, 10169085, 13558780, 16270536, 20338170, 27117560, 40676340, 81352680]

約数ペア:

[(1, 81352680), (2, 40676340), (3, 27117560), (4, 20338170), (5, 16270536), (6, 13558780), (8, 10169085), (10, 8135268), (12, 6779390), (15, 5423512), (19, 4281720), (20, 4067634), (24, 3389695), (30, 2711756), (31, 2624280), (38, 2140860), (40, 2033817), (57, 1427240), (60, 1355878), (62, 1312140), (76, 1070430), (93, 874760), (95, 856344), (114, 713620), (120, 677939), (124, 656070), (152, 535215), (155, 524856), (186, 437380), (190, 428172), (228, 356810), (248, 328035), (285, 285448), (310, 262428), (372, 218690), (380, 214086), (456, 178405), (465, 174952), (570, 142724), (589, 138120), (620, 131214), (744, 109345), (760, 107043), (930, 87476), (1140, 71362), (1151, 70680), (1178, 69060), (1240, 65607), (1767, 46040), (1860, 43738), (2280, 35681), (2302, 35340), (2356, 34530), (2945, 27624), (3453, 23560), (3534, 23020), (3720, 21869), (4604, 17670), (4712, 17265), (5755, 14136), (5890, 13812), (6906, 11780), (7068, 11510), (8835, 9208)]