287777440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:722

約数の個数: 96

約数和(自身を含む): 711018000

約数和(自身を除く): 423240560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 109, 116, 145, 160, 218, 232, 290, 436, 464, 545, 569, 580, 872, 928, 1090, 1138, 1160, 1744, 2180, 2276, 2320, 2845, 3161, 3488, 4360, 4552, 4640, 5690, 6322, 8720, 9104, 11380, 12644, 15805, 16501, 17440, 18208, 22760, 25288, 31610, 33002, 45520, 50576, 62021, 63220, 66004, 82505, 91040, 101152, 124042, 126440, 132008, 165010, 248084, 252880, 264016, 310105, 330020, 496168, 505760, 528032, 620210, 660040, 992336, 1240420, 1320080, 1798609, 1984672, 2480840, 2640160, 3597218, 4961680, 7194436, 8993045, 9923360, 14388872, 17986090, 28777744, 35972180, 57555488, 71944360, 143888720, 287777440]

約数ペア:

[(1, 287777440), (2, 143888720), (4, 71944360), (5, 57555488), (8, 35972180), (10, 28777744), (16, 17986090), (20, 14388872), (29, 9923360), (32, 8993045), (40, 7194436), (58, 4961680), (80, 3597218), (109, 2640160), (116, 2480840), (145, 1984672), (160, 1798609), (218, 1320080), (232, 1240420), (290, 992336), (436, 660040), (464, 620210), (545, 528032), (569, 505760), (580, 496168), (872, 330020), (928, 310105), (1090, 264016), (1138, 252880), (1160, 248084), (1744, 165010), (2180, 132008), (2276, 126440), (2320, 124042), (2845, 101152), (3161, 91040), (3488, 82505), (4360, 66004), (4552, 63220), (4640, 62021), (5690, 50576), (6322, 45520), (8720, 33002), (9104, 31610), (11380, 25288), (12644, 22760), (15805, 18208), (16501, 17440)]