172787220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 550368000

約数和(自身を除く): 377580780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 79, 87, 90, 116, 145, 158, 174, 180, 237, 261, 290, 316, 348, 395, 419, 435, 474, 522, 580, 711, 790, 838, 870, 948, 1044, 1185, 1257, 1305, 1422, 1580, 1676, 1740, 2095, 2291, 2370, 2514, 2610, 2844, 3555, 3771, 4190, 4582, 4740, 5028, 5220, 6285, 6873, 7110, 7542, 8380, 9164, 11455, 12151, 12570, 13746, 14220, 15084, 18855, 20619, 22910, 24302, 25140, 27492, 33101, 34365, 36453, 37710, 41238, 45820, 48604, 60755, 66202, 68730, 72906, 75420, 82476, 99303, 103095, 109359, 121510, 132404, 137460, 145812, 165505, 182265, 198606, 206190, 218718, 243020, 297909, 331010, 364530, 397212, 412380, 437436, 496515, 546795, 595818, 662020, 729060, 959929, 993030, 1093590, 1191636, 1489545, 1919858, 1986060, 2187180, 2879787, 2979090, 3839716, 4799645, 5759574, 5958180, 8639361, 9599290, 11519148, 14398935, 17278722, 19198580, 28797870, 34557444, 43196805, 57595740, 86393610, 172787220]

約数ペア:

[(1, 172787220), (2, 86393610), (3, 57595740), (4, 43196805), (5, 34557444), (6, 28797870), (9, 19198580), (10, 17278722), (12, 14398935), (15, 11519148), (18, 9599290), (20, 8639361), (29, 5958180), (30, 5759574), (36, 4799645), (45, 3839716), (58, 2979090), (60, 2879787), (79, 2187180), (87, 1986060), (90, 1919858), (116, 1489545), (145, 1191636), (158, 1093590), (174, 993030), (180, 959929), (237, 729060), (261, 662020), (290, 595818), (316, 546795), (348, 496515), (395, 437436), (419, 412380), (435, 397212), (474, 364530), (522, 331010), (580, 297909), (711, 243020), (790, 218718), (838, 206190), (870, 198606), (948, 182265), (1044, 165505), (1185, 145812), (1257, 137460), (1305, 132404), (1422, 121510), (1580, 109359), (1676, 103095), (1740, 99303), (2095, 82476), (2291, 75420), (2370, 72906), (2514, 68730), (2610, 66202), (2844, 60755), (3555, 48604), (3771, 45820), (4190, 41238), (4582, 37710), (4740, 36453), (5028, 34365), (5220, 33101), (6285, 27492), (6873, 25140), (7110, 24302), (7542, 22910), (8380, 20619), (9164, 18855), (11455, 15084), (12151, 14220), (12570, 13746)]