72907016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 183617280

約数和(自身を除く): 110710264

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 43, 52, 56, 68, 86, 91, 104, 119, 136, 137, 172, 182, 221, 238, 274, 301, 344, 364, 442, 476, 548, 559, 602, 728, 731, 884, 952, 959, 1096, 1118, 1204, 1462, 1547, 1768, 1781, 1918, 2236, 2329, 2408, 2924, 3094, 3562, 3836, 3913, 4472, 4658, 5117, 5848, 5891, 6188, 7124, 7672, 7826, 9316, 9503, 10234, 11782, 12376, 12467, 14248, 15652, 16303, 18632, 19006, 20468, 23564, 24934, 30277, 31304, 32606, 38012, 40936, 41237, 47128, 49868, 60554, 65212, 66521, 76024, 76583, 82474, 99736, 100147, 121108, 130424, 133042, 153166, 164948, 200294, 211939, 242216, 266084, 306332, 329896, 400588, 423878, 532168, 536081, 612664, 701029, 801176, 847756, 1072162, 1301911, 1402058, 1695512, 2144324, 2603822, 2804116, 4288648, 5207644, 5608232, 9113377, 10415288, 18226754, 36453508, 72907016]

約数ペア:

[(1, 72907016), (2, 36453508), (4, 18226754), (7, 10415288), (8, 9113377), (13, 5608232), (14, 5207644), (17, 4288648), (26, 2804116), (28, 2603822), (34, 2144324), (43, 1695512), (52, 1402058), (56, 1301911), (68, 1072162), (86, 847756), (91, 801176), (104, 701029), (119, 612664), (136, 536081), (137, 532168), (172, 423878), (182, 400588), (221, 329896), (238, 306332), (274, 266084), (301, 242216), (344, 211939), (364, 200294), (442, 164948), (476, 153166), (548, 133042), (559, 130424), (602, 121108), (728, 100147), (731, 99736), (884, 82474), (952, 76583), (959, 76024), (1096, 66521), (1118, 65212), (1204, 60554), (1462, 49868), (1547, 47128), (1768, 41237), (1781, 40936), (1918, 38012), (2236, 32606), (2329, 31304), (2408, 30277), (2924, 24934), (3094, 23564), (3562, 20468), (3836, 19006), (3913, 18632), (4472, 16303), (4658, 15652), (5117, 14248), (5848, 12467), (5891, 12376), (6188, 11782), (7124, 10234), (7672, 9503), (7826, 9316)]