15728904

素因数分解:

$2^3\times 3^7\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 128

約数和(自身を含む): 47232000

約数和(自身を除く): 31503096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 31, 36, 54, 58, 62, 72, 81, 87, 93, 108, 116, 124, 162, 174, 186, 216, 232, 243, 248, 261, 279, 324, 348, 372, 486, 522, 558, 648, 696, 729, 744, 783, 837, 899, 972, 1044, 1116, 1458, 1566, 1674, 1798, 1944, 2088, 2187, 2232, 2349, 2511, 2697, 2916, 3132, 3348, 3596, 4374, 4698, 5022, 5394, 5832, 6264, 6696, 7047, 7192, 7533, 8091, 8748, 9396, 10044, 10788, 14094, 15066, 16182, 17496, 18792, 20088, 21141, 21576, 22599, 24273, 28188, 30132, 32364, 42282, 45198, 48546, 56376, 60264, 63423, 64728, 67797, 72819, 84564, 90396, 97092, 126846, 135594, 145638, 169128, 180792, 194184, 218457, 253692, 271188, 291276, 436914, 507384, 542376, 582552, 655371, 873828, 1310742, 1747656, 1966113, 2621484, 3932226, 5242968, 7864452, 15728904]

約数ペア:

[(1, 15728904), (2, 7864452), (3, 5242968), (4, 3932226), (6, 2621484), (8, 1966113), (9, 1747656), (12, 1310742), (18, 873828), (24, 655371), (27, 582552), (29, 542376), (31, 507384), (36, 436914), (54, 291276), (58, 271188), (62, 253692), (72, 218457), (81, 194184), (87, 180792), (93, 169128), (108, 145638), (116, 135594), (124, 126846), (162, 97092), (174, 90396), (186, 84564), (216, 72819), (232, 67797), (243, 64728), (248, 63423), (261, 60264), (279, 56376), (324, 48546), (348, 45198), (372, 42282), (486, 32364), (522, 30132), (558, 28188), (648, 24273), (696, 22599), (729, 21576), (744, 21141), (783, 20088), (837, 18792), (899, 17496), (972, 16182), (1044, 15066), (1116, 14094), (1458, 10788), (1566, 10044), (1674, 9396), (1798, 8748), (1944, 8091), (2088, 7533), (2187, 7192), (2232, 7047), (2349, 6696), (2511, 6264), (2697, 5832), (2916, 5394), (3132, 5022), (3348, 4698), (3596, 4374)]