81252816

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 230744160

約数和(自身を除く): 149491344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 41, 48, 53, 57, 76, 82, 106, 114, 123, 152, 159, 164, 212, 228, 246, 304, 318, 328, 424, 456, 492, 636, 656, 779, 848, 912, 984, 1007, 1272, 1558, 1681, 1968, 2014, 2173, 2337, 2544, 3021, 3116, 3362, 4028, 4346, 4674, 5043, 6042, 6232, 6519, 6724, 8056, 8692, 9348, 10086, 12084, 12464, 13038, 13448, 16112, 17384, 18696, 20172, 24168, 26076, 26896, 31939, 34768, 37392, 40344, 41287, 48336, 52152, 63878, 80688, 82574, 89093, 95817, 104304, 123861, 127756, 165148, 178186, 191634, 247722, 255512, 267279, 330296, 356372, 383268, 495444, 511024, 534558, 660592, 712744, 766536, 990888, 1069116, 1425488, 1533072, 1692767, 1981776, 2138232, 3385534, 4276464, 5078301, 6771068, 10156602, 13542136, 20313204, 27084272, 40626408, 81252816]

約数ペア:

[(1, 81252816), (2, 40626408), (3, 27084272), (4, 20313204), (6, 13542136), (8, 10156602), (12, 6771068), (16, 5078301), (19, 4276464), (24, 3385534), (38, 2138232), (41, 1981776), (48, 1692767), (53, 1533072), (57, 1425488), (76, 1069116), (82, 990888), (106, 766536), (114, 712744), (123, 660592), (152, 534558), (159, 511024), (164, 495444), (212, 383268), (228, 356372), (246, 330296), (304, 267279), (318, 255512), (328, 247722), (424, 191634), (456, 178186), (492, 165148), (636, 127756), (656, 123861), (779, 104304), (848, 95817), (912, 89093), (984, 82574), (1007, 80688), (1272, 63878), (1558, 52152), (1681, 48336), (1968, 41287), (2014, 40344), (2173, 37392), (2337, 34768), (2544, 31939), (3021, 26896), (3116, 26076), (3362, 24168), (4028, 20172), (4346, 18696), (4674, 17384), (5043, 16112), (6042, 13448), (6232, 13038), (6519, 12464), (6724, 12084), (8056, 10086), (8692, 9348)]