16857228160

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1624

約数の個数: 128

約数和(自身を含む): 40906275840

約数和(自身を除く): 24049047680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 157, 160, 254, 314, 320, 508, 628, 635, 640, 785, 1016, 1256, 1270, 1321, 1570, 2032, 2512, 2540, 2642, 3140, 4064, 5024, 5080, 5284, 6280, 6605, 8128, 10048, 10160, 10568, 12560, 13210, 16256, 19939, 20096, 20320, 21136, 25120, 26420, 39878, 40640, 42272, 50240, 52840, 79756, 81280, 84544, 99695, 100480, 105680, 159512, 167767, 169088, 199390, 207397, 211360, 319024, 335534, 398780, 414794, 422720, 638048, 671068, 797560, 829588, 838835, 845440, 1036985, 1276096, 1342136, 1595120, 1659176, 1677670, 2073970, 2552192, 2684272, 3190240, 3318352, 3355340, 4147940, 5368544, 6380480, 6636704, 6710680, 8295880, 10737088, 12760960, 13273408, 13421360, 16591760, 21474176, 26339419, 26546816, 26842720, 33183520, 52678838, 53685440, 66367040, 105357676, 107370880, 131697095, 132734080, 210715352, 263394190, 421430704, 526788380, 842861408, 1053576760, 1685722816, 2107153520, 3371445632, 4214307040, 8428614080, 16857228160]

約数ペア:

[(1, 16857228160), (2, 8428614080), (4, 4214307040), (5, 3371445632), (8, 2107153520), (10, 1685722816), (16, 1053576760), (20, 842861408), (32, 526788380), (40, 421430704), (64, 263394190), (80, 210715352), (127, 132734080), (128, 131697095), (157, 107370880), (160, 105357676), (254, 66367040), (314, 53685440), (320, 52678838), (508, 33183520), (628, 26842720), (635, 26546816), (640, 26339419), (785, 21474176), (1016, 16591760), (1256, 13421360), (1270, 13273408), (1321, 12760960), (1570, 10737088), (2032, 8295880), (2512, 6710680), (2540, 6636704), (2642, 6380480), (3140, 5368544), (4064, 4147940), (5024, 3355340), (5080, 3318352), (5284, 3190240), (6280, 2684272), (6605, 2552192), (8128, 2073970), (10048, 1677670), (10160, 1659176), (10568, 1595120), (12560, 1342136), (13210, 1276096), (16256, 1036985), (19939, 845440), (20096, 838835), (20320, 829588), (21136, 797560), (25120, 671068), (26420, 638048), (39878, 422720), (40640, 414794), (42272, 398780), (50240, 335534), (52840, 319024), (79756, 211360), (81280, 207397), (84544, 199390), (99695, 169088), (100480, 167767), (105680, 159512)]