20270040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 70848000

約数和(自身を除く): 50577960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 84, 105, 118, 120, 140, 168, 177, 210, 236, 280, 295, 354, 409, 413, 420, 472, 590, 708, 818, 826, 840, 885, 1180, 1227, 1239, 1416, 1636, 1652, 1770, 2045, 2065, 2360, 2454, 2478, 2863, 3272, 3304, 3540, 4090, 4130, 4908, 4956, 5726, 6135, 6195, 7080, 8180, 8260, 8589, 9816, 9912, 11452, 12270, 12390, 14315, 16360, 16520, 17178, 22904, 24131, 24540, 24780, 28630, 34356, 42945, 48262, 49080, 49560, 57260, 68712, 72393, 85890, 96524, 114520, 120655, 144786, 168917, 171780, 193048, 241310, 289572, 337834, 343560, 361965, 482620, 506751, 579144, 675668, 723930, 844585, 965240, 1013502, 1351336, 1447860, 1689170, 2027004, 2533755, 2895720, 3378340, 4054008, 5067510, 6756680, 10135020, 20270040]

約数ペア:

[(1, 20270040), (2, 10135020), (3, 6756680), (4, 5067510), (5, 4054008), (6, 3378340), (7, 2895720), (8, 2533755), (10, 2027004), (12, 1689170), (14, 1447860), (15, 1351336), (20, 1013502), (21, 965240), (24, 844585), (28, 723930), (30, 675668), (35, 579144), (40, 506751), (42, 482620), (56, 361965), (59, 343560), (60, 337834), (70, 289572), (84, 241310), (105, 193048), (118, 171780), (120, 168917), (140, 144786), (168, 120655), (177, 114520), (210, 96524), (236, 85890), (280, 72393), (295, 68712), (354, 57260), (409, 49560), (413, 49080), (420, 48262), (472, 42945), (590, 34356), (708, 28630), (818, 24780), (826, 24540), (840, 24131), (885, 22904), (1180, 17178), (1227, 16520), (1239, 16360), (1416, 14315), (1636, 12390), (1652, 12270), (1770, 11452), (2045, 9912), (2065, 9816), (2360, 8589), (2454, 8260), (2478, 8180), (2863, 7080), (3272, 6195), (3304, 6135), (3540, 5726), (4090, 4956), (4130, 4908)]