161834940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1877}}^1$

素因数の和:2371

約数の個数: 72

約数和(自身を含む): 492186240

約数和(自身を除く): 330351300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1437, 1877, 1916, 2395, 2874, 3754, 4311, 4790, 5631, 5748, 7185, 7508, 8622, 9385, 9580, 11262, 14370, 16893, 17244, 18770, 21555, 22524, 28155, 28740, 33786, 37540, 43110, 56310, 67572, 84465, 86220, 112620, 168930, 337860, 899083, 1798166, 2697249, 3596332, 4495415, 5394498, 8091747, 8990830, 10788996, 13486245, 16183494, 17981660, 26972490, 32366988, 40458735, 53944980, 80917470, 161834940]

約数ペア:

[(1, 161834940), (2, 80917470), (3, 53944980), (4, 40458735), (5, 32366988), (6, 26972490), (9, 17981660), (10, 16183494), (12, 13486245), (15, 10788996), (18, 8990830), (20, 8091747), (30, 5394498), (36, 4495415), (45, 3596332), (60, 2697249), (90, 1798166), (180, 899083), (479, 337860), (958, 168930), (1437, 112620), (1877, 86220), (1916, 84465), (2395, 67572), (2874, 56310), (3754, 43110), (4311, 37540), (4790, 33786), (5631, 28740), (5748, 28155), (7185, 22524), (7508, 21555), (8622, 18770), (9385, 17244), (9580, 16893), (11262, 14370)]