20643582400

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3607}}^1$

素因数の和:3716

約数の個数: 252

約数和(自身を含む): 59915407728

約数和(自身を除く): 39271825328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 73, 80, 98, 100, 112, 140, 146, 160, 175, 196, 200, 224, 245, 280, 292, 320, 350, 365, 392, 400, 448, 490, 511, 560, 584, 700, 730, 784, 800, 980, 1022, 1120, 1168, 1225, 1400, 1460, 1568, 1600, 1825, 1960, 2044, 2240, 2336, 2450, 2555, 2800, 2920, 3136, 3577, 3607, 3650, 3920, 4088, 4672, 4900, 5110, 5600, 5840, 7154, 7214, 7300, 7840, 8176, 9800, 10220, 11200, 11680, 12775, 14308, 14428, 14600, 15680, 16352, 17885, 18035, 19600, 20440, 23360, 25249, 25550, 28616, 28856, 29200, 32704, 35770, 36070, 39200, 40880, 50498, 51100, 57232, 57712, 58400, 71540, 72140, 78400, 81760, 89425, 90175, 100996, 102200, 114464, 115424, 116800, 126245, 143080, 144280, 163520, 176743, 178850, 180350, 201992, 204400, 228928, 230848, 252490, 263311, 286160, 288560, 353486, 357700, 360700, 403984, 408800, 504980, 526622, 572320, 577120, 631225, 706972, 715400, 721400, 807968, 817600, 883715, 1009960, 1053244, 1144640, 1154240, 1262450, 1316555, 1413944, 1430800, 1442800, 1615936, 1767430, 1843177, 2019920, 2106488, 2524900, 2633110, 2827888, 2861600, 2885600, 3534860, 3686354, 4039840, 4212976, 4418575, 5049800, 5266220, 5655776, 5723200, 5771200, 6582775, 7069720, 7372708, 8079680, 8425952, 8837150, 9215885, 10099600, 10532440, 11311552, 12902239, 13165550, 14139440, 14745416, 16851904, 17674300, 18431770, 20199200, 21064880, 25804478, 26331100, 28278880, 29490832, 35348600, 36863540, 40398400, 42129760, 46079425, 51608956, 52662200, 56557760, 58981664, 64511195, 70697200, 73727080, 84259520, 92158850, 103217912, 105324400, 117963328, 129022390, 141394400, 147454160, 184317700, 206435824, 210648800, 258044780, 282788800, 294908320, 322555975, 368635400, 412871648, 421297600, 516089560, 589816640, 645111950, 737270800, 825743296, 1032179120, 1290223900, 1474541600, 2064358240, 2580447800, 2949083200, 4128716480, 5160895600, 10321791200, 20643582400]

約数ペア:

[(1, 20643582400), (2, 10321791200), (4, 5160895600), (5, 4128716480), (7, 2949083200), (8, 2580447800), (10, 2064358240), (14, 1474541600), (16, 1290223900), (20, 1032179120), (25, 825743296), (28, 737270800), (32, 645111950), (35, 589816640), (40, 516089560), (49, 421297600), (50, 412871648), (56, 368635400), (64, 322555975), (70, 294908320), (73, 282788800), (80, 258044780), (98, 210648800), (100, 206435824), (112, 184317700), (140, 147454160), (146, 141394400), (160, 129022390), (175, 117963328), (196, 105324400), (200, 103217912), (224, 92158850), (245, 84259520), (280, 73727080), (292, 70697200), (320, 64511195), (350, 58981664), (365, 56557760), (392, 52662200), (400, 51608956), (448, 46079425), (490, 42129760), (511, 40398400), (560, 36863540), (584, 35348600), (700, 29490832), (730, 28278880), (784, 26331100), (800, 25804478), (980, 21064880), (1022, 20199200), (1120, 18431770), (1168, 17674300), (1225, 16851904), (1400, 14745416), (1460, 14139440), (1568, 13165550), (1600, 12902239), (1825, 11311552), (1960, 10532440), (2044, 10099600), (2240, 9215885), (2336, 8837150), (2450, 8425952), (2555, 8079680), (2800, 7372708), (2920, 7069720), (3136, 6582775), (3577, 5771200), (3607, 5723200), (3650, 5655776), (3920, 5266220), (4088, 5049800), (4672, 4418575), (4900, 4212976), (5110, 4039840), (5600, 3686354), (5840, 3534860), (7154, 2885600), (7214, 2861600), (7300, 2827888), (7840, 2633110), (8176, 2524900), (9800, 2106488), (10220, 2019920), (11200, 1843177), (11680, 1767430), (12775, 1615936), (14308, 1442800), (14428, 1430800), (14600, 1413944), (15680, 1316555), (16352, 1262450), (17885, 1154240), (18035, 1144640), (19600, 1053244), (20440, 1009960), (23360, 883715), (25249, 817600), (25550, 807968), (28616, 721400), (28856, 715400), (29200, 706972), (32704, 631225), (35770, 577120), (36070, 572320), (39200, 526622), (40880, 504980), (50498, 408800), (51100, 403984), (57232, 360700), (57712, 357700), (58400, 353486), (71540, 288560), (72140, 286160), (78400, 263311), (81760, 252490), (89425, 230848), (90175, 228928), (100996, 204400), (102200, 201992), (114464, 180350), (115424, 178850), (116800, 176743), (126245, 163520), (143080, 144280)]