81026460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{829}}^1$

素因数の和:1028

約数の個数: 96

約数和(自身を含む): 253780800

約数和(自身を除く): 172754340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 181, 270, 362, 540, 543, 724, 829, 905, 1086, 1629, 1658, 1810, 2172, 2487, 2715, 3258, 3316, 3620, 4145, 4887, 4974, 5430, 6516, 7461, 8145, 8290, 9774, 9948, 10860, 12435, 14922, 16290, 16580, 19548, 22383, 24435, 24870, 29844, 32580, 37305, 44766, 48870, 49740, 74610, 89532, 97740, 111915, 149220, 150049, 223830, 300098, 447660, 450147, 600196, 750245, 900294, 1350441, 1500490, 1800588, 2250735, 2700882, 3000980, 4051323, 4501470, 5401764, 6752205, 8102646, 9002940, 13504410, 16205292, 20256615, 27008820, 40513230, 81026460]

約数ペア:

[(1, 81026460), (2, 40513230), (3, 27008820), (4, 20256615), (5, 16205292), (6, 13504410), (9, 9002940), (10, 8102646), (12, 6752205), (15, 5401764), (18, 4501470), (20, 4051323), (27, 3000980), (30, 2700882), (36, 2250735), (45, 1800588), (54, 1500490), (60, 1350441), (90, 900294), (108, 750245), (135, 600196), (180, 450147), (181, 447660), (270, 300098), (362, 223830), (540, 150049), (543, 149220), (724, 111915), (829, 97740), (905, 89532), (1086, 74610), (1629, 49740), (1658, 48870), (1810, 44766), (2172, 37305), (2487, 32580), (2715, 29844), (3258, 24870), (3316, 24435), (3620, 22383), (4145, 19548), (4887, 16580), (4974, 16290), (5430, 14922), (6516, 12435), (7461, 10860), (8145, 9948), (8290, 9774)]