72281646

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 80

約数和(自身を含む): 172149120

約数和(自身を除く): 99867474

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 37, 54, 62, 74, 81, 93, 111, 162, 186, 222, 279, 333, 389, 558, 666, 778, 837, 999, 1147, 1167, 1674, 1998, 2294, 2334, 2511, 2997, 3441, 3501, 5022, 5994, 6882, 7002, 10323, 10503, 12059, 14393, 20646, 21006, 24118, 28786, 30969, 31509, 36177, 43179, 61938, 63018, 72354, 86358, 92907, 108531, 129537, 185814, 217062, 259074, 325593, 388611, 446183, 651186, 777222, 892366, 976779, 1165833, 1338549, 1953558, 2331666, 2677098, 4015647, 8031294, 12046941, 24093882, 36140823, 72281646]

約数ペア:

[(1, 72281646), (2, 36140823), (3, 24093882), (6, 12046941), (9, 8031294), (18, 4015647), (27, 2677098), (31, 2331666), (37, 1953558), (54, 1338549), (62, 1165833), (74, 976779), (81, 892366), (93, 777222), (111, 651186), (162, 446183), (186, 388611), (222, 325593), (279, 259074), (333, 217062), (389, 185814), (558, 129537), (666, 108531), (778, 92907), (837, 86358), (999, 72354), (1147, 63018), (1167, 61938), (1674, 43179), (1998, 36177), (2294, 31509), (2334, 30969), (2511, 28786), (2997, 24118), (3441, 21006), (3501, 20646), (5022, 14393), (5994, 12059), (6882, 10503), (7002, 10323)]