787471920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35281}}^1$

素因数の和:35331

約数の個数: 120

約数和(自身を含む): 2729980032

約数和(自身を除く): 1942508112

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, 35281, 70562, 105843, 141124, 176405, 211686, 282248, 317529, 352810, 423372, 529215, 564496, 635058, 705620, 846744, 1058430, 1093711, 1270116, 1411240, 1587645, 1693488, 2116860, 2187422, 2540232, 2822480, 3175290, 3281133, 4233720, 4374844, 5080464, 5468555, 6350580, 6562266, 8467440, 8749688, 9843399, 10937110, 12701160, 13124532, 16405665, 17499376, 19686798, 21874220, 25402320, 26249064, 32811330, 39373596, 43748440, 49216995, 52498128, 65622660, 78747192, 87496880, 98433990, 131245320, 157494384, 196867980, 262490640, 393735960, 787471920]

約数ペア:

[(1, 787471920), (2, 393735960), (3, 262490640), (4, 196867980), (5, 157494384), (6, 131245320), (8, 98433990), (9, 87496880), (10, 78747192), (12, 65622660), (15, 52498128), (16, 49216995), (18, 43748440), (20, 39373596), (24, 32811330), (30, 26249064), (31, 25402320), (36, 21874220), (40, 19686798), (45, 17499376), (48, 16405665), (60, 13124532), (62, 12701160), (72, 10937110), (80, 9843399), (90, 8749688), (93, 8467440), (120, 6562266), (124, 6350580), (144, 5468555), (155, 5080464), (180, 4374844), (186, 4233720), (240, 3281133), (248, 3175290), (279, 2822480), (310, 2540232), (360, 2187422), (372, 2116860), (465, 1693488), (496, 1587645), (558, 1411240), (620, 1270116), (720, 1093711), (744, 1058430), (930, 846744), (1116, 705620), (1240, 635058), (1395, 564496), (1488, 529215), (1860, 423372), (2232, 352810), (2480, 317529), (2790, 282248), (3720, 211686), (4464, 176405), (5580, 141124), (7440, 105843), (11160, 70562), (22320, 35281)]