87124120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 220320000

約数和(自身を除く): 133195880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 59, 67, 76, 95, 116, 118, 134, 145, 152, 190, 232, 236, 268, 290, 295, 335, 380, 472, 536, 551, 580, 590, 670, 760, 1102, 1121, 1160, 1180, 1273, 1340, 1711, 1943, 2204, 2242, 2360, 2546, 2680, 2755, 3422, 3886, 3953, 4408, 4484, 5092, 5510, 5605, 6365, 6844, 7772, 7906, 8555, 8968, 9715, 10184, 11020, 11210, 12730, 13688, 15544, 15812, 17110, 19430, 19765, 22040, 22420, 25460, 31624, 32509, 34220, 36917, 38860, 39530, 44840, 50920, 65018, 68440, 73834, 75107, 77720, 79060, 114637, 130036, 147668, 150214, 158120, 162545, 184585, 229274, 260072, 295336, 300428, 325090, 369170, 375535, 458548, 573185, 600856, 650180, 738340, 751070, 917096, 1146370, 1300360, 1476680, 1502140, 2178103, 2292740, 3004280, 4356206, 4585480, 8712412, 10890515, 17424824, 21781030, 43562060, 87124120]

約数ペア:

[(1, 87124120), (2, 43562060), (4, 21781030), (5, 17424824), (8, 10890515), (10, 8712412), (19, 4585480), (20, 4356206), (29, 3004280), (38, 2292740), (40, 2178103), (58, 1502140), (59, 1476680), (67, 1300360), (76, 1146370), (95, 917096), (116, 751070), (118, 738340), (134, 650180), (145, 600856), (152, 573185), (190, 458548), (232, 375535), (236, 369170), (268, 325090), (290, 300428), (295, 295336), (335, 260072), (380, 229274), (472, 184585), (536, 162545), (551, 158120), (580, 150214), (590, 147668), (670, 130036), (760, 114637), (1102, 79060), (1121, 77720), (1160, 75107), (1180, 73834), (1273, 68440), (1340, 65018), (1711, 50920), (1943, 44840), (2204, 39530), (2242, 38860), (2360, 36917), (2546, 34220), (2680, 32509), (2755, 31624), (3422, 25460), (3886, 22420), (3953, 22040), (4408, 19765), (4484, 19430), (5092, 17110), (5510, 15812), (5605, 15544), (6365, 13688), (6844, 12730), (7772, 11210), (7906, 11020), (8555, 10184), (8968, 9715)]