905252720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:763

約数の個数: 160

約数和(自身を含む): 2393686080

約数和(自身を除く): 1488433360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 53, 68, 76, 80, 85, 95, 106, 136, 152, 170, 190, 212, 265, 272, 304, 323, 340, 380, 424, 530, 646, 661, 680, 760, 848, 901, 1007, 1060, 1292, 1322, 1360, 1520, 1615, 1802, 2014, 2120, 2584, 2644, 3230, 3305, 3604, 4028, 4240, 4505, 5035, 5168, 5288, 6460, 6610, 7208, 8056, 9010, 10070, 10576, 11237, 12559, 12920, 13220, 14416, 16112, 17119, 18020, 20140, 22474, 25118, 25840, 26440, 34238, 35033, 36040, 40280, 44948, 50236, 52880, 56185, 62795, 68476, 70066, 72080, 80560, 85595, 89896, 100472, 112370, 125590, 136952, 140132, 171190, 175165, 179792, 200944, 213503, 224740, 251180, 273904, 280264, 342380, 350330, 427006, 449480, 502360, 560528, 595561, 665627, 684760, 700660, 854012, 898960, 1004720, 1067515, 1191122, 1331254, 1369520, 1401320, 1708024, 2135030, 2382244, 2662508, 2802640, 2977805, 3328135, 3416048, 4270060, 4764488, 5325016, 5955610, 6656270, 8540120, 9528976, 10650032, 11315659, 11911220, 13312540, 17080240, 22631318, 23822440, 26625080, 45262636, 47644880, 53250160, 56578295, 90525272, 113156590, 181050544, 226313180, 452626360, 905252720]

約数ペア:

[(1, 905252720), (2, 452626360), (4, 226313180), (5, 181050544), (8, 113156590), (10, 90525272), (16, 56578295), (17, 53250160), (19, 47644880), (20, 45262636), (34, 26625080), (38, 23822440), (40, 22631318), (53, 17080240), (68, 13312540), (76, 11911220), (80, 11315659), (85, 10650032), (95, 9528976), (106, 8540120), (136, 6656270), (152, 5955610), (170, 5325016), (190, 4764488), (212, 4270060), (265, 3416048), (272, 3328135), (304, 2977805), (323, 2802640), (340, 2662508), (380, 2382244), (424, 2135030), (530, 1708024), (646, 1401320), (661, 1369520), (680, 1331254), (760, 1191122), (848, 1067515), (901, 1004720), (1007, 898960), (1060, 854012), (1292, 700660), (1322, 684760), (1360, 665627), (1520, 595561), (1615, 560528), (1802, 502360), (2014, 449480), (2120, 427006), (2584, 350330), (2644, 342380), (3230, 280264), (3305, 273904), (3604, 251180), (4028, 224740), (4240, 213503), (4505, 200944), (5035, 179792), (5168, 175165), (5288, 171190), (6460, 140132), (6610, 136952), (7208, 125590), (8056, 112370), (9010, 100472), (10070, 89896), (10576, 85595), (11237, 80560), (12559, 72080), (12920, 70066), (13220, 68476), (14416, 62795), (16112, 56185), (17119, 52880), (18020, 50236), (20140, 44948), (22474, 40280), (25118, 36040), (25840, 35033), (26440, 34238)]