87204320

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{227}}^1$

素因数の和:270

約数の個数: 120

約数和(自身を含む): 241401384

約数和(自身を除く): 154197064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 227, 245, 280, 343, 392, 454, 490, 560, 686, 784, 908, 980, 1120, 1135, 1372, 1568, 1589, 1715, 1816, 1960, 2270, 2401, 2744, 3178, 3430, 3632, 3920, 4540, 4802, 5488, 6356, 6860, 7264, 7840, 7945, 9080, 9604, 10976, 11123, 12005, 12712, 13720, 15890, 18160, 19208, 22246, 24010, 25424, 27440, 31780, 36320, 38416, 44492, 48020, 50848, 54880, 55615, 63560, 76832, 77861, 88984, 96040, 111230, 127120, 155722, 177968, 192080, 222460, 254240, 311444, 355936, 384160, 389305, 444920, 545027, 622888, 778610, 889840, 1090054, 1245776, 1557220, 1779680, 2180108, 2491552, 2725135, 3114440, 4360216, 5450270, 6228880, 8720432, 10900540, 12457760, 17440864, 21801080, 43602160, 87204320]

約数ペア:

[(1, 87204320), (2, 43602160), (4, 21801080), (5, 17440864), (7, 12457760), (8, 10900540), (10, 8720432), (14, 6228880), (16, 5450270), (20, 4360216), (28, 3114440), (32, 2725135), (35, 2491552), (40, 2180108), (49, 1779680), (56, 1557220), (70, 1245776), (80, 1090054), (98, 889840), (112, 778610), (140, 622888), (160, 545027), (196, 444920), (224, 389305), (227, 384160), (245, 355936), (280, 311444), (343, 254240), (392, 222460), (454, 192080), (490, 177968), (560, 155722), (686, 127120), (784, 111230), (908, 96040), (980, 88984), (1120, 77861), (1135, 76832), (1372, 63560), (1568, 55615), (1589, 54880), (1715, 50848), (1816, 48020), (1960, 44492), (2270, 38416), (2401, 36320), (2744, 31780), (3178, 27440), (3430, 25424), (3632, 24010), (3920, 22246), (4540, 19208), (4802, 18160), (5488, 15890), (6356, 13720), (6860, 12712), (7264, 12005), (7840, 11123), (7945, 10976), (9080, 9604)]