30138975

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 58032000

約数和(自身を除く): 27893025

約数列:

[1, 3, 5, 9, 15, 25, 29, 31, 45, 75, 87, 93, 145, 149, 155, 225, 261, 279, 435, 447, 465, 725, 745, 775, 899, 1305, 1341, 1395, 2175, 2235, 2325, 2697, 3725, 4321, 4495, 4619, 6525, 6705, 6975, 8091, 11175, 12963, 13485, 13857, 21605, 22475, 23095, 33525, 38889, 40455, 41571, 64815, 67425, 69285, 108025, 115475, 133951, 194445, 202275, 207855, 324075, 346425, 401853, 669755, 972225, 1039275, 1205559, 2009265, 3348775, 6027795, 10046325, 30138975]

約数ペア:

[(1, 30138975), (3, 10046325), (5, 6027795), (9, 3348775), (15, 2009265), (25, 1205559), (29, 1039275), (31, 972225), (45, 669755), (75, 401853), (87, 346425), (93, 324075), (145, 207855), (149, 202275), (155, 194445), (225, 133951), (261, 115475), (279, 108025), (435, 69285), (447, 67425), (465, 64815), (725, 41571), (745, 40455), (775, 38889), (899, 33525), (1305, 23095), (1341, 22475), (1395, 21605), (2175, 13857), (2235, 13485), (2325, 12963), (2697, 11175), (3725, 8091), (4321, 6975), (4495, 6705), (4619, 6525)]