72421128

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{8597}}^1$

素因数の和:8628

約数の個数: 80

約数和(自身を含む): 218475180

約数和(自身を除く): 146054052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 8597, 17194, 25791, 34388, 51582, 68776, 77373, 103164, 111761, 154746, 206328, 223522, 232119, 309492, 335283, 447044, 464238, 618984, 670566, 696357, 894088, 928476, 1005849, 1341132, 1392714, 1856952, 2011698, 2682264, 2785428, 3017547, 4023396, 5570856, 6035094, 8046792, 9052641, 12070188, 18105282, 24140376, 36210564, 72421128]

約数ペア:

[(1, 72421128), (2, 36210564), (3, 24140376), (4, 18105282), (6, 12070188), (8, 9052641), (9, 8046792), (12, 6035094), (13, 5570856), (18, 4023396), (24, 3017547), (26, 2785428), (27, 2682264), (36, 2011698), (39, 1856952), (52, 1392714), (54, 1341132), (72, 1005849), (78, 928476), (81, 894088), (104, 696357), (108, 670566), (117, 618984), (156, 464238), (162, 447044), (216, 335283), (234, 309492), (312, 232119), (324, 223522), (351, 206328), (468, 154746), (648, 111761), (702, 103164), (936, 77373), (1053, 68776), (1404, 51582), (2106, 34388), (2808, 25791), (4212, 17194), (8424, 8597)]