87471540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1346

約数の個数: 144

約数和(自身を含む): 295822800

約数和(自身を除く): 208351260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 468, 522, 580, 585, 754, 780, 870, 1044, 1131, 1170, 1289, 1305, 1508, 1740, 1885, 2262, 2340, 2578, 2610, 3393, 3770, 3867, 4524, 5156, 5220, 5655, 6445, 6786, 7540, 7734, 11310, 11601, 12890, 13572, 15468, 16757, 16965, 19335, 22620, 23202, 25780, 33514, 33930, 37381, 38670, 46404, 50271, 58005, 67028, 67860, 74762, 77340, 83785, 100542, 112143, 116010, 149524, 150813, 167570, 186905, 201084, 224286, 232020, 251355, 301626, 335140, 336429, 373810, 448572, 485953, 502710, 560715, 603252, 672858, 747620, 754065, 971906, 1005420, 1121430, 1345716, 1457859, 1508130, 1682145, 1943812, 2242860, 2429765, 2915718, 3016260, 3364290, 4373577, 4859530, 5831436, 6728580, 7289295, 8747154, 9719060, 14578590, 17494308, 21867885, 29157180, 43735770, 87471540]

約数ペア:

[(1, 87471540), (2, 43735770), (3, 29157180), (4, 21867885), (5, 17494308), (6, 14578590), (9, 9719060), (10, 8747154), (12, 7289295), (13, 6728580), (15, 5831436), (18, 4859530), (20, 4373577), (26, 3364290), (29, 3016260), (30, 2915718), (36, 2429765), (39, 2242860), (45, 1943812), (52, 1682145), (58, 1508130), (60, 1457859), (65, 1345716), (78, 1121430), (87, 1005420), (90, 971906), (116, 754065), (117, 747620), (130, 672858), (145, 603252), (156, 560715), (174, 502710), (180, 485953), (195, 448572), (234, 373810), (260, 336429), (261, 335140), (290, 301626), (348, 251355), (377, 232020), (390, 224286), (435, 201084), (468, 186905), (522, 167570), (580, 150813), (585, 149524), (754, 116010), (780, 112143), (870, 100542), (1044, 83785), (1131, 77340), (1170, 74762), (1289, 67860), (1305, 67028), (1508, 58005), (1740, 50271), (1885, 46404), (2262, 38670), (2340, 37381), (2578, 33930), (2610, 33514), (3393, 25780), (3770, 23202), (3867, 22620), (4524, 19335), (5156, 16965), (5220, 16757), (5655, 15468), (6445, 13572), (6786, 12890), (7540, 11601), (7734, 11310)]