289552140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19381}}^1$

素因数の和:19479

約数の個数: 72

約数和(自身を含む): 888936048

約数和(自身を除く): 599383908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 19381, 38762, 58143, 77524, 96905, 116286, 174429, 193810, 232572, 290715, 348858, 387620, 581430, 697716, 872145, 1162860, 1608623, 1744290, 3217246, 3488580, 4825869, 6434492, 8043115, 9651738, 14477607, 16086230, 19303476, 24129345, 28955214, 32172460, 48258690, 57910428, 72388035, 96517380, 144776070, 289552140]

約数ペア:

[(1, 289552140), (2, 144776070), (3, 96517380), (4, 72388035), (5, 57910428), (6, 48258690), (9, 32172460), (10, 28955214), (12, 24129345), (15, 19303476), (18, 16086230), (20, 14477607), (30, 9651738), (36, 8043115), (45, 6434492), (60, 4825869), (83, 3488580), (90, 3217246), (166, 1744290), (180, 1608623), (249, 1162860), (332, 872145), (415, 697716), (498, 581430), (747, 387620), (830, 348858), (996, 290715), (1245, 232572), (1494, 193810), (1660, 174429), (2490, 116286), (2988, 96905), (3735, 77524), (4980, 58143), (7470, 38762), (14940, 19381)]