640284912

素因数分解:

$2^4\times 3^4\times {\mathrm{31}}^1\times {\mathrm{15937}}^1$

素因数の和:15988

約数の個数: 100

約数和(自身を含む): 1913070016

約数和(自身を除く): 1272785104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 81, 93, 108, 124, 144, 162, 186, 216, 248, 279, 324, 372, 432, 496, 558, 648, 744, 837, 1116, 1296, 1488, 1674, 2232, 2511, 3348, 4464, 5022, 6696, 10044, 13392, 15937, 20088, 31874, 40176, 47811, 63748, 95622, 127496, 143433, 191244, 254992, 286866, 382488, 430299, 494047, 573732, 764976, 860598, 988094, 1147464, 1290897, 1482141, 1721196, 1976188, 2294928, 2581794, 2964282, 3442392, 3952376, 4446423, 5163588, 5928564, 6884784, 7904752, 8892846, 10327176, 11857128, 13339269, 17785692, 20654352, 23714256, 26678538, 35571384, 40017807, 53357076, 71142768, 80035614, 106714152, 160071228, 213428304, 320142456, 640284912]

約数ペア:

[(1, 640284912), (2, 320142456), (3, 213428304), (4, 160071228), (6, 106714152), (8, 80035614), (9, 71142768), (12, 53357076), (16, 40017807), (18, 35571384), (24, 26678538), (27, 23714256), (31, 20654352), (36, 17785692), (48, 13339269), (54, 11857128), (62, 10327176), (72, 8892846), (81, 7904752), (93, 6884784), (108, 5928564), (124, 5163588), (144, 4446423), (162, 3952376), (186, 3442392), (216, 2964282), (248, 2581794), (279, 2294928), (324, 1976188), (372, 1721196), (432, 1482141), (496, 1290897), (558, 1147464), (648, 988094), (744, 860598), (837, 764976), (1116, 573732), (1296, 494047), (1488, 430299), (1674, 382488), (2232, 286866), (2511, 254992), (3348, 191244), (4464, 143433), (5022, 127496), (6696, 95622), (10044, 63748), (13392, 47811), (15937, 40176), (20088, 31874)]