256128264

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2777}}^1$

素因数の和:2860

約数の個数: 128

約数和(自身を含む): 826732800

約数和(自身を除く): 570604536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 61, 63, 72, 84, 108, 122, 126, 168, 183, 189, 216, 244, 252, 366, 378, 427, 488, 504, 549, 732, 756, 854, 1098, 1281, 1464, 1512, 1647, 1708, 2196, 2562, 2777, 3294, 3416, 3843, 4392, 5124, 5554, 6588, 7686, 8331, 10248, 11108, 11529, 13176, 15372, 16662, 19439, 22216, 23058, 24993, 30744, 33324, 38878, 46116, 49986, 58317, 66648, 74979, 77756, 92232, 99972, 116634, 149958, 155512, 169397, 174951, 199944, 233268, 299916, 338794, 349902, 466536, 508191, 524853, 599832, 677588, 699804, 1016382, 1049706, 1185779, 1355176, 1399608, 1524573, 2032764, 2099412, 2371558, 3049146, 3557337, 4065528, 4198824, 4573719, 4743116, 6098292, 7114674, 9147438, 9486232, 10672011, 12196584, 14229348, 18294876, 21344022, 28458696, 32016033, 36589752, 42688044, 64032066, 85376088, 128064132, 256128264]

約数ペア:

[(1, 256128264), (2, 128064132), (3, 85376088), (4, 64032066), (6, 42688044), (7, 36589752), (8, 32016033), (9, 28458696), (12, 21344022), (14, 18294876), (18, 14229348), (21, 12196584), (24, 10672011), (27, 9486232), (28, 9147438), (36, 7114674), (42, 6098292), (54, 4743116), (56, 4573719), (61, 4198824), (63, 4065528), (72, 3557337), (84, 3049146), (108, 2371558), (122, 2099412), (126, 2032764), (168, 1524573), (183, 1399608), (189, 1355176), (216, 1185779), (244, 1049706), (252, 1016382), (366, 699804), (378, 677588), (427, 599832), (488, 524853), (504, 508191), (549, 466536), (732, 349902), (756, 338794), (854, 299916), (1098, 233268), (1281, 199944), (1464, 174951), (1512, 169397), (1647, 155512), (1708, 149958), (2196, 116634), (2562, 99972), (2777, 92232), (3294, 77756), (3416, 74979), (3843, 66648), (4392, 58317), (5124, 49986), (5554, 46116), (6588, 38878), (7686, 33324), (8331, 30744), (10248, 24993), (11108, 23058), (11529, 22216), (13176, 19439), (15372, 16662)]