720796000

素因数分解:

$2^5\times 5^3\times {\mathrm{79}}^1\times {\mathrm{2281}}^1$

素因数の和:2385

約数の個数: 96

約数和(自身を含む): 1794199680

約数和(自身を除く): 1073403680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 125, 158, 160, 200, 250, 316, 395, 400, 500, 632, 790, 800, 1000, 1264, 1580, 1975, 2000, 2281, 2528, 3160, 3950, 4000, 4562, 6320, 7900, 9124, 9875, 11405, 12640, 15800, 18248, 19750, 22810, 31600, 36496, 39500, 45620, 57025, 63200, 72992, 79000, 91240, 114050, 158000, 180199, 182480, 228100, 285125, 316000, 360398, 364960, 456200, 570250, 720796, 900995, 912400, 1140500, 1441592, 1801990, 1824800, 2281000, 2883184, 3603980, 4504975, 4562000, 5766368, 7207960, 9009950, 9124000, 14415920, 18019900, 22524875, 28831840, 36039800, 45049750, 72079600, 90099500, 144159200, 180199000, 360398000, 720796000]

約数ペア:

[(1, 720796000), (2, 360398000), (4, 180199000), (5, 144159200), (8, 90099500), (10, 72079600), (16, 45049750), (20, 36039800), (25, 28831840), (32, 22524875), (40, 18019900), (50, 14415920), (79, 9124000), (80, 9009950), (100, 7207960), (125, 5766368), (158, 4562000), (160, 4504975), (200, 3603980), (250, 2883184), (316, 2281000), (395, 1824800), (400, 1801990), (500, 1441592), (632, 1140500), (790, 912400), (800, 900995), (1000, 720796), (1264, 570250), (1580, 456200), (1975, 364960), (2000, 360398), (2281, 316000), (2528, 285125), (3160, 228100), (3950, 182480), (4000, 180199), (4562, 158000), (6320, 114050), (7900, 91240), (9124, 79000), (9875, 72992), (11405, 63200), (12640, 57025), (15800, 45620), (18248, 39500), (19750, 36496), (22810, 31600)]