1040400780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{709}}^1$

素因数の和:1419

約数の個数: 96

約数和(自身を含む): 3000607680

約数和(自身を除く): 1960206900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 661, 709, 740, 1110, 1322, 1418, 1983, 2127, 2220, 2644, 2836, 3305, 3545, 3966, 4254, 6610, 7090, 7932, 8508, 9915, 10635, 13220, 14180, 19830, 21270, 24457, 26233, 39660, 42540, 48914, 52466, 73371, 78699, 97828, 104932, 122285, 131165, 146742, 157398, 244570, 262330, 293484, 314796, 366855, 393495, 468649, 489140, 524660, 733710, 786990, 937298, 1405947, 1467420, 1573980, 1874596, 2343245, 2811894, 4686490, 5623788, 7029735, 9372980, 14059470, 17340013, 28118940, 34680026, 52020039, 69360052, 86700065, 104040078, 173400130, 208080156, 260100195, 346800260, 520200390, 1040400780]

約数ペア:

[(1, 1040400780), (2, 520200390), (3, 346800260), (4, 260100195), (5, 208080156), (6, 173400130), (10, 104040078), (12, 86700065), (15, 69360052), (20, 52020039), (30, 34680026), (37, 28118940), (60, 17340013), (74, 14059470), (111, 9372980), (148, 7029735), (185, 5623788), (222, 4686490), (370, 2811894), (444, 2343245), (555, 1874596), (661, 1573980), (709, 1467420), (740, 1405947), (1110, 937298), (1322, 786990), (1418, 733710), (1983, 524660), (2127, 489140), (2220, 468649), (2644, 393495), (2836, 366855), (3305, 314796), (3545, 293484), (3966, 262330), (4254, 244570), (6610, 157398), (7090, 146742), (7932, 131165), (8508, 122285), (9915, 104932), (10635, 97828), (13220, 78699), (14180, 73371), (19830, 52466), (21270, 48914), (24457, 42540), (26233, 39660)]