1639406520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2141}}^1$

素因数の和:2870

約数の個数: 128

約数和(自身を含む): 5474952000

約数和(自身を除く): 3835545480

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 709, 1080, 1418, 2127, 2141, 2836, 3545, 4254, 4282, 5672, 6381, 6423, 7090, 8508, 8564, 10635, 10705, 12762, 12846, 14180, 17016, 17128, 19143, 19269, 21270, 21410, 25524, 25692, 28360, 31905, 32115, 38286, 38538, 42540, 42820, 51048, 51384, 57807, 63810, 64230, 76572, 77076, 85080, 85640, 95715, 96345, 115614, 127620, 128460, 153144, 154152, 191430, 192690, 231228, 255240, 256920, 289035, 382860, 385380, 462456, 578070, 765720, 770760, 1156140, 1517969, 2312280, 3035938, 4553907, 6071876, 7589845, 9107814, 12143752, 13661721, 15179690, 18215628, 22769535, 27323442, 30359380, 36431256, 40985163, 45539070, 54646884, 60718760, 68308605, 81970326, 91078140, 109293768, 136617210, 163940652, 182156280, 204925815, 273234420, 327881304, 409851630, 546468840, 819703260, 1639406520]

約数ペア:

[(1, 1639406520), (2, 819703260), (3, 546468840), (4, 409851630), (5, 327881304), (6, 273234420), (8, 204925815), (9, 182156280), (10, 163940652), (12, 136617210), (15, 109293768), (18, 91078140), (20, 81970326), (24, 68308605), (27, 60718760), (30, 54646884), (36, 45539070), (40, 40985163), (45, 36431256), (54, 30359380), (60, 27323442), (72, 22769535), (90, 18215628), (108, 15179690), (120, 13661721), (135, 12143752), (180, 9107814), (216, 7589845), (270, 6071876), (360, 4553907), (540, 3035938), (709, 2312280), (1080, 1517969), (1418, 1156140), (2127, 770760), (2141, 765720), (2836, 578070), (3545, 462456), (4254, 385380), (4282, 382860), (5672, 289035), (6381, 256920), (6423, 255240), (7090, 231228), (8508, 192690), (8564, 191430), (10635, 154152), (10705, 153144), (12762, 128460), (12846, 127620), (14180, 115614), (17016, 96345), (17128, 95715), (19143, 85640), (19269, 85080), (21270, 77076), (21410, 76572), (25524, 64230), (25692, 63810), (28360, 57807), (31905, 51384), (32115, 51048), (38286, 42820), (38538, 42540)]