20181345520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{2609}}^1$

素因数の和:3375

約数の個数: 160

約数和(自身を含む): 56546380800

約数和(自身を除く): 36365035280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 727, 760, 1064, 1330, 1454, 1520, 2128, 2609, 2660, 2908, 3635, 5089, 5218, 5320, 5816, 7270, 10178, 10436, 10640, 11632, 13045, 13813, 14540, 18263, 20356, 20872, 25445, 26090, 27626, 29080, 36526, 40712, 41744, 49571, 50890, 52180, 55252, 58160, 69065, 73052, 81424, 91315, 96691, 99142, 101780, 104360, 110504, 138130, 146104, 182630, 193382, 198284, 203560, 208720, 221008, 247855, 276260, 292208, 346997, 365260, 386764, 396568, 407120, 483455, 495710, 552520, 693994, 730520, 773528, 793136, 966910, 991420, 1105040, 1387988, 1461040, 1547056, 1734985, 1896743, 1933820, 1982840, 2775976, 3469970, 3793486, 3867640, 3965680, 5551952, 6939940, 7586972, 7735280, 9483715, 13277201, 13879880, 15173944, 18967430, 26554402, 27759760, 30347888, 36038117, 37934860, 53108804, 66386005, 72076234, 75869720, 106217608, 132772010, 144152468, 151739440, 180190585, 212435216, 252266819, 265544020, 288304936, 360381170, 504533638, 531088040, 576609872, 720762340, 1009067276, 1062176080, 1261334095, 1441524680, 2018134552, 2522668190, 2883049360, 4036269104, 5045336380, 10090672760, 20181345520]

約数ペア:

[(1, 20181345520), (2, 10090672760), (4, 5045336380), (5, 4036269104), (7, 2883049360), (8, 2522668190), (10, 2018134552), (14, 1441524680), (16, 1261334095), (19, 1062176080), (20, 1009067276), (28, 720762340), (35, 576609872), (38, 531088040), (40, 504533638), (56, 360381170), (70, 288304936), (76, 265544020), (80, 252266819), (95, 212435216), (112, 180190585), (133, 151739440), (140, 144152468), (152, 132772010), (190, 106217608), (266, 75869720), (280, 72076234), (304, 66386005), (380, 53108804), (532, 37934860), (560, 36038117), (665, 30347888), (727, 27759760), (760, 26554402), (1064, 18967430), (1330, 15173944), (1454, 13879880), (1520, 13277201), (2128, 9483715), (2609, 7735280), (2660, 7586972), (2908, 6939940), (3635, 5551952), (5089, 3965680), (5218, 3867640), (5320, 3793486), (5816, 3469970), (7270, 2775976), (10178, 1982840), (10436, 1933820), (10640, 1896743), (11632, 1734985), (13045, 1547056), (13813, 1461040), (14540, 1387988), (18263, 1105040), (20356, 991420), (20872, 966910), (25445, 793136), (26090, 773528), (27626, 730520), (29080, 693994), (36526, 552520), (40712, 495710), (41744, 483455), (49571, 407120), (50890, 396568), (52180, 386764), (55252, 365260), (58160, 346997), (69065, 292208), (73052, 276260), (81424, 247855), (91315, 221008), (96691, 208720), (99142, 203560), (101780, 198284), (104360, 193382), (110504, 182630), (138130, 146104)]