20753459280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{27689}}^1$

素因数の和:28058

約数の個数: 160

約数和(自身を含む): 71692732800

約数和(自身を除く): 50939273520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 347, 360, 432, 540, 694, 720, 1041, 1080, 1388, 1735, 2082, 2160, 2776, 3123, 3470, 4164, 5205, 5552, 6246, 6940, 8328, 9369, 10410, 12492, 13880, 15615, 16656, 18738, 20820, 24984, 27689, 27760, 31230, 37476, 41640, 46845, 49968, 55378, 62460, 74952, 83067, 83280, 93690, 110756, 124920, 138445, 149904, 166134, 187380, 221512, 249201, 249840, 276890, 332268, 374760, 415335, 443024, 498402, 553780, 664536, 747603, 749520, 830670, 996804, 1107560, 1246005, 1329072, 1495206, 1661340, 1993608, 2215120, 2492010, 2990412, 3322680, 3738015, 3987216, 4984020, 5980824, 6645360, 7476030, 9608083, 9968040, 11961648, 14952060, 19216166, 19936080, 28824249, 29904120, 38432332, 48040415, 57648498, 59808240, 76864664, 86472747, 96080830, 115296996, 144121245, 153729328, 172945494, 192161660, 230593992, 259418241, 288242490, 345890988, 384323320, 432363735, 461187984, 518836482, 576484980, 691781976, 768646640, 864727470, 1037672964, 1152969960, 1297091205, 1383563952, 1729454940, 2075345928, 2305939920, 2594182410, 3458909880, 4150691856, 5188364820, 6917819760, 10376729640, 20753459280]

約数ペア:

[(1, 20753459280), (2, 10376729640), (3, 6917819760), (4, 5188364820), (5, 4150691856), (6, 3458909880), (8, 2594182410), (9, 2305939920), (10, 2075345928), (12, 1729454940), (15, 1383563952), (16, 1297091205), (18, 1152969960), (20, 1037672964), (24, 864727470), (27, 768646640), (30, 691781976), (36, 576484980), (40, 518836482), (45, 461187984), (48, 432363735), (54, 384323320), (60, 345890988), (72, 288242490), (80, 259418241), (90, 230593992), (108, 192161660), (120, 172945494), (135, 153729328), (144, 144121245), (180, 115296996), (216, 96080830), (240, 86472747), (270, 76864664), (347, 59808240), (360, 57648498), (432, 48040415), (540, 38432332), (694, 29904120), (720, 28824249), (1041, 19936080), (1080, 19216166), (1388, 14952060), (1735, 11961648), (2082, 9968040), (2160, 9608083), (2776, 7476030), (3123, 6645360), (3470, 5980824), (4164, 4984020), (5205, 3987216), (5552, 3738015), (6246, 3322680), (6940, 2990412), (8328, 2492010), (9369, 2215120), (10410, 1993608), (12492, 1661340), (13880, 1495206), (15615, 1329072), (16656, 1246005), (18738, 1107560), (20820, 996804), (24984, 830670), (27689, 749520), (27760, 747603), (31230, 664536), (37476, 553780), (41640, 498402), (46845, 443024), (49968, 415335), (55378, 374760), (62460, 332268), (74952, 276890), (83067, 249840), (83280, 249201), (93690, 221512), (110756, 187380), (124920, 166134), (138445, 149904)]