72640728

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{3491}}^1$

素因数の和:3537

約数の個数: 72

約数和(自身を含む): 209048580

約数和(自身を除く): 136407852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1156, 1224, 1734, 2312, 2601, 3468, 3491, 5202, 6936, 6982, 10404, 10473, 13964, 20808, 20946, 27928, 31419, 41892, 59347, 62838, 83784, 118694, 125676, 178041, 237388, 251352, 356082, 474776, 534123, 712164, 1008899, 1068246, 1424328, 2017798, 2136492, 3026697, 4035596, 4272984, 6053394, 8071192, 9080091, 12106788, 18160182, 24213576, 36320364, 72640728]

約数ペア:

[(1, 72640728), (2, 36320364), (3, 24213576), (4, 18160182), (6, 12106788), (8, 9080091), (9, 8071192), (12, 6053394), (17, 4272984), (18, 4035596), (24, 3026697), (34, 2136492), (36, 2017798), (51, 1424328), (68, 1068246), (72, 1008899), (102, 712164), (136, 534123), (153, 474776), (204, 356082), (289, 251352), (306, 237388), (408, 178041), (578, 125676), (612, 118694), (867, 83784), (1156, 62838), (1224, 59347), (1734, 41892), (2312, 31419), (2601, 27928), (3468, 20946), (3491, 20808), (5202, 13964), (6936, 10473), (6982, 10404)]