1999849680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89599}}^1$

素因数の和:89649

約数の個数: 120

約数和(自身を含む): 6932889600

約数和(自身を除く): 4933039920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 89599, 179198, 268797, 358396, 447995, 537594, 716792, 806391, 895990, 1075188, 1343985, 1433584, 1612782, 1791980, 2150376, 2687970, 2777569, 3225564, 3583960, 4031955, 4300752, 5375940, 5555138, 6451128, 7167920, 8063910, 8332707, 10751880, 11110276, 12902256, 13887845, 16127820, 16665414, 21503760, 22220552, 24998121, 27775690, 32255640, 33330828, 41663535, 44441104, 49996242, 55551380, 64511280, 66661656, 83327070, 99992484, 111102760, 124990605, 133323312, 166654140, 199984968, 222205520, 249981210, 333308280, 399969936, 499962420, 666616560, 999924840, 1999849680]

約数ペア:

[(1, 1999849680), (2, 999924840), (3, 666616560), (4, 499962420), (5, 399969936), (6, 333308280), (8, 249981210), (9, 222205520), (10, 199984968), (12, 166654140), (15, 133323312), (16, 124990605), (18, 111102760), (20, 99992484), (24, 83327070), (30, 66661656), (31, 64511280), (36, 55551380), (40, 49996242), (45, 44441104), (48, 41663535), (60, 33330828), (62, 32255640), (72, 27775690), (80, 24998121), (90, 22220552), (93, 21503760), (120, 16665414), (124, 16127820), (144, 13887845), (155, 12902256), (180, 11110276), (186, 10751880), (240, 8332707), (248, 8063910), (279, 7167920), (310, 6451128), (360, 5555138), (372, 5375940), (465, 4300752), (496, 4031955), (558, 3583960), (620, 3225564), (720, 2777569), (744, 2687970), (930, 2150376), (1116, 1791980), (1240, 1612782), (1395, 1433584), (1488, 1343985), (1860, 1075188), (2232, 895990), (2480, 806391), (2790, 716792), (3720, 537594), (4464, 447995), (5580, 358396), (7440, 268797), (11160, 179198), (22320, 89599)]