64928520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:860

約数の個数: 128

約数和(自身を含む): 219456000

約数和(自身を除く): 154527480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 540, 632, 711, 761, 790, 948, 1080, 1185, 1422, 1522, 1580, 1896, 2133, 2283, 2370, 2844, 3044, 3160, 3555, 3805, 4266, 4566, 4740, 5688, 6088, 6849, 7110, 7610, 8532, 9132, 9480, 10665, 11415, 13698, 14220, 15220, 17064, 18264, 20547, 21330, 22830, 27396, 28440, 30440, 34245, 41094, 42660, 45660, 54792, 60119, 68490, 82188, 85320, 91320, 102735, 120238, 136980, 164376, 180357, 205470, 240476, 273960, 300595, 360714, 410940, 480952, 541071, 601190, 721428, 821880, 901785, 1082142, 1202380, 1442856, 1623213, 1803570, 2164284, 2404760, 2705355, 3246426, 3607140, 4328568, 5410710, 6492852, 7214280, 8116065, 10821420, 12985704, 16232130, 21642840, 32464260, 64928520]

約数ペア:

[(1, 64928520), (2, 32464260), (3, 21642840), (4, 16232130), (5, 12985704), (6, 10821420), (8, 8116065), (9, 7214280), (10, 6492852), (12, 5410710), (15, 4328568), (18, 3607140), (20, 3246426), (24, 2705355), (27, 2404760), (30, 2164284), (36, 1803570), (40, 1623213), (45, 1442856), (54, 1202380), (60, 1082142), (72, 901785), (79, 821880), (90, 721428), (108, 601190), (120, 541071), (135, 480952), (158, 410940), (180, 360714), (216, 300595), (237, 273960), (270, 240476), (316, 205470), (360, 180357), (395, 164376), (474, 136980), (540, 120238), (632, 102735), (711, 91320), (761, 85320), (790, 82188), (948, 68490), (1080, 60119), (1185, 54792), (1422, 45660), (1522, 42660), (1580, 41094), (1896, 34245), (2133, 30440), (2283, 28440), (2370, 27396), (2844, 22830), (3044, 21330), (3160, 20547), (3555, 18264), (3805, 17064), (4266, 15220), (4566, 14220), (4740, 13698), (5688, 11415), (6088, 10665), (6849, 9480), (7110, 9132), (7610, 8532)]