72616725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 139276800

約数和(自身を除く): 66660075

約数列:

[1, 3, 5, 9, 15, 25, 29, 31, 45, 75, 87, 93, 145, 155, 225, 261, 279, 359, 435, 465, 725, 775, 899, 1077, 1305, 1395, 1795, 2175, 2325, 2697, 3231, 4495, 5385, 6525, 6975, 8091, 8975, 10411, 11129, 13485, 16155, 22475, 26925, 31233, 33387, 40455, 52055, 55645, 67425, 80775, 93699, 100161, 156165, 166935, 202275, 260275, 278225, 322741, 468495, 500805, 780825, 834675, 968223, 1613705, 2342475, 2504025, 2904669, 4841115, 8068525, 14523345, 24205575, 72616725]

約数ペア:

[(1, 72616725), (3, 24205575), (5, 14523345), (9, 8068525), (15, 4841115), (25, 2904669), (29, 2504025), (31, 2342475), (45, 1613705), (75, 968223), (87, 834675), (93, 780825), (145, 500805), (155, 468495), (225, 322741), (261, 278225), (279, 260275), (359, 202275), (435, 166935), (465, 156165), (725, 100161), (775, 93699), (899, 80775), (1077, 67425), (1305, 55645), (1395, 52055), (1795, 40455), (2175, 33387), (2325, 31233), (2697, 26925), (3231, 22475), (4495, 16155), (5385, 13485), (6525, 11129), (6975, 10411), (8091, 8975)]