787719480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20323}}^1$

素因数の和:20373

約数の個数: 128

約数和(自身を含む): 2633990400

約数和(自身を除く): 1846270920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6460, 7752, 9690, 12920, 19380, 20323, 38760, 40646, 60969, 81292, 101615, 121938, 162584, 203230, 243876, 304845, 345491, 386137, 406460, 487752, 609690, 690982, 772274, 812920, 1036473, 1158411, 1219380, 1381964, 1544548, 1727455, 1930685, 2072946, 2316822, 2438760, 2763928, 3089096, 3454910, 3861370, 4145892, 4633644, 5182365, 5792055, 6564329, 6909820, 7722740, 8291784, 9267288, 10364730, 11584110, 13128658, 13819640, 15445480, 19692987, 20729460, 23168220, 26257316, 32821645, 39385974, 41458920, 46336440, 52514632, 65643290, 78771948, 98464935, 131286580, 157543896, 196929870, 262573160, 393859740, 787719480]

約数ペア:

[(1, 787719480), (2, 393859740), (3, 262573160), (4, 196929870), (5, 157543896), (6, 131286580), (8, 98464935), (10, 78771948), (12, 65643290), (15, 52514632), (17, 46336440), (19, 41458920), (20, 39385974), (24, 32821645), (30, 26257316), (34, 23168220), (38, 20729460), (40, 19692987), (51, 15445480), (57, 13819640), (60, 13128658), (68, 11584110), (76, 10364730), (85, 9267288), (95, 8291784), (102, 7722740), (114, 6909820), (120, 6564329), (136, 5792055), (152, 5182365), (170, 4633644), (190, 4145892), (204, 3861370), (228, 3454910), (255, 3089096), (285, 2763928), (323, 2438760), (340, 2316822), (380, 2072946), (408, 1930685), (456, 1727455), (510, 1544548), (570, 1381964), (646, 1219380), (680, 1158411), (760, 1036473), (969, 812920), (1020, 772274), (1140, 690982), (1292, 609690), (1615, 487752), (1938, 406460), (2040, 386137), (2280, 345491), (2584, 304845), (3230, 243876), (3876, 203230), (4845, 162584), (6460, 121938), (7752, 101615), (9690, 81292), (12920, 60969), (19380, 40646), (20323, 38760)]