78680376

素因数分解:

$2^3\times 3^3\times {\mathrm{563}}^1\times {\mathrm{647}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 219283200

約数和(自身を除く): 140602824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 563, 647, 1126, 1294, 1689, 1941, 2252, 2588, 3378, 3882, 4504, 5067, 5176, 5823, 6756, 7764, 10134, 11646, 13512, 15201, 15528, 17469, 20268, 23292, 30402, 34938, 40536, 46584, 60804, 69876, 121608, 139752, 364261, 728522, 1092783, 1457044, 2185566, 2914088, 3278349, 4371132, 6556698, 8742264, 9835047, 13113396, 19670094, 26226792, 39340188, 78680376]

約数ペア:

[(1, 78680376), (2, 39340188), (3, 26226792), (4, 19670094), (6, 13113396), (8, 9835047), (9, 8742264), (12, 6556698), (18, 4371132), (24, 3278349), (27, 2914088), (36, 2185566), (54, 1457044), (72, 1092783), (108, 728522), (216, 364261), (563, 139752), (647, 121608), (1126, 69876), (1294, 60804), (1689, 46584), (1941, 40536), (2252, 34938), (2588, 30402), (3378, 23292), (3882, 20268), (4504, 17469), (5067, 15528), (5176, 15201), (5823, 13512), (6756, 11646), (7764, 10134)]