1278904800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 216

約数和(自身を含む): 4280304168

約数和(自身を除く): 3001399368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 75, 80, 82, 96, 100, 120, 123, 150, 160, 164, 200, 205, 240, 246, 300, 317, 328, 400, 410, 480, 492, 600, 615, 634, 656, 800, 820, 951, 984, 1025, 1200, 1230, 1268, 1312, 1585, 1640, 1681, 1902, 1968, 2050, 2400, 2460, 2536, 3075, 3170, 3280, 3362, 3804, 3936, 4100, 4755, 4920, 5043, 5072, 6150, 6340, 6560, 6724, 7608, 7925, 8200, 8405, 9510, 9840, 10086, 10144, 12300, 12680, 12997, 13448, 15216, 15850, 16400, 16810, 19020, 19680, 20172, 23775, 24600, 25215, 25360, 25994, 26896, 30432, 31700, 32800, 33620, 38040, 38991, 40344, 42025, 47550, 49200, 50430, 50720, 51988, 53792, 63400, 64985, 67240, 76080, 77982, 80688, 84050, 95100, 98400, 100860, 103976, 126075, 126800, 129970, 134480, 152160, 155964, 161376, 168100, 190200, 194955, 201720, 207952, 252150, 253600, 259940, 268960, 311928, 324925, 336200, 380400, 389910, 403440, 415904, 504300, 519880, 532877, 623856, 649850, 672400, 760800, 779820, 806880, 974775, 1008600, 1039760, 1065754, 1247712, 1299700, 1344800, 1559640, 1598631, 1949550, 2017200, 2079520, 2131508, 2599400, 2664385, 3119280, 3197262, 3899100, 4034400, 4263016, 5198800, 5328770, 6238560, 6394524, 7798200, 7993155, 8526032, 10397600, 10657540, 12789048, 13321925, 15596400, 15986310, 17052064, 21315080, 25578096, 26643850, 31192800, 31972620, 39965775, 42630160, 51156192, 53287700, 63945240, 79931550, 85260320, 106575400, 127890480, 159863100, 213150800, 255780960, 319726200, 426301600, 639452400, 1278904800]

約数ペア:

[(1, 1278904800), (2, 639452400), (3, 426301600), (4, 319726200), (5, 255780960), (6, 213150800), (8, 159863100), (10, 127890480), (12, 106575400), (15, 85260320), (16, 79931550), (20, 63945240), (24, 53287700), (25, 51156192), (30, 42630160), (32, 39965775), (40, 31972620), (41, 31192800), (48, 26643850), (50, 25578096), (60, 21315080), (75, 17052064), (80, 15986310), (82, 15596400), (96, 13321925), (100, 12789048), (120, 10657540), (123, 10397600), (150, 8526032), (160, 7993155), (164, 7798200), (200, 6394524), (205, 6238560), (240, 5328770), (246, 5198800), (300, 4263016), (317, 4034400), (328, 3899100), (400, 3197262), (410, 3119280), (480, 2664385), (492, 2599400), (600, 2131508), (615, 2079520), (634, 2017200), (656, 1949550), (800, 1598631), (820, 1559640), (951, 1344800), (984, 1299700), (1025, 1247712), (1200, 1065754), (1230, 1039760), (1268, 1008600), (1312, 974775), (1585, 806880), (1640, 779820), (1681, 760800), (1902, 672400), (1968, 649850), (2050, 623856), (2400, 532877), (2460, 519880), (2536, 504300), (3075, 415904), (3170, 403440), (3280, 389910), (3362, 380400), (3804, 336200), (3936, 324925), (4100, 311928), (4755, 268960), (4920, 259940), (5043, 253600), (5072, 252150), (6150, 207952), (6340, 201720), (6560, 194955), (6724, 190200), (7608, 168100), (7925, 161376), (8200, 155964), (8405, 152160), (9510, 134480), (9840, 129970), (10086, 126800), (10144, 126075), (12300, 103976), (12680, 100860), (12997, 98400), (13448, 95100), (15216, 84050), (15850, 80688), (16400, 77982), (16810, 76080), (19020, 67240), (19680, 64985), (20172, 63400), (23775, 53792), (24600, 51988), (25215, 50720), (25360, 50430), (25994, 49200), (26896, 47550), (30432, 42025), (31700, 40344), (32800, 38991), (33620, 38040)]