72040920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:777

約数の個数: 128

約数和(自身を含む): 249177600

約数和(自身を除く): 177136680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 168, 210, 278, 280, 417, 420, 556, 617, 695, 834, 840, 973, 1112, 1234, 1390, 1668, 1851, 1946, 2085, 2468, 2780, 2919, 3085, 3336, 3702, 3892, 4170, 4319, 4865, 4936, 5560, 5838, 6170, 7404, 7784, 8340, 8638, 9255, 9730, 11676, 12340, 12957, 14595, 14808, 16680, 17276, 18510, 19460, 21595, 23352, 24680, 25914, 29190, 34552, 37020, 38920, 43190, 51828, 58380, 64785, 74040, 85763, 86380, 103656, 116760, 129570, 171526, 172760, 257289, 259140, 343052, 428815, 514578, 518280, 600341, 686104, 857630, 1029156, 1200682, 1286445, 1715260, 1801023, 2058312, 2401364, 2572890, 3001705, 3430520, 3602046, 4802728, 5145780, 6003410, 7204092, 9005115, 10291560, 12006820, 14408184, 18010230, 24013640, 36020460, 72040920]

約数ペア:

[(1, 72040920), (2, 36020460), (3, 24013640), (4, 18010230), (5, 14408184), (6, 12006820), (7, 10291560), (8, 9005115), (10, 7204092), (12, 6003410), (14, 5145780), (15, 4802728), (20, 3602046), (21, 3430520), (24, 3001705), (28, 2572890), (30, 2401364), (35, 2058312), (40, 1801023), (42, 1715260), (56, 1286445), (60, 1200682), (70, 1029156), (84, 857630), (105, 686104), (120, 600341), (139, 518280), (140, 514578), (168, 428815), (210, 343052), (278, 259140), (280, 257289), (417, 172760), (420, 171526), (556, 129570), (617, 116760), (695, 103656), (834, 86380), (840, 85763), (973, 74040), (1112, 64785), (1234, 58380), (1390, 51828), (1668, 43190), (1851, 38920), (1946, 37020), (2085, 34552), (2468, 29190), (2780, 25914), (2919, 24680), (3085, 23352), (3336, 21595), (3702, 19460), (3892, 18510), (4170, 17276), (4319, 16680), (4865, 14808), (4936, 14595), (5560, 12957), (5838, 12340), (6170, 11676), (7404, 9730), (7784, 9255), (8340, 8638)]