28554120

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{1259}}^1$

素因数の和:1289

約数の個数: 160

約数和(自身を含む): 109771200

約数和(自身を除く): 81217080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1259, 1260, 1512, 1620, 1890, 2268, 2518, 2520, 2835, 3240, 3777, 3780, 4536, 5036, 5670, 6295, 7554, 7560, 8813, 10072, 11331, 11340, 12590, 15108, 17626, 18885, 22662, 22680, 25180, 26439, 30216, 33993, 35252, 37770, 44065, 45324, 50360, 52878, 56655, 67986, 70504, 75540, 79317, 88130, 90648, 101979, 105756, 113310, 132195, 135972, 151080, 158634, 169965, 176260, 203958, 211512, 226620, 237951, 264390, 271944, 317268, 339930, 352520, 396585, 407916, 453240, 475902, 509895, 528780, 634536, 679860, 713853, 793170, 815832, 951804, 1019790, 1057560, 1189755, 1359720, 1427706, 1586340, 1903608, 2039580, 2379510, 2855412, 3172680, 3569265, 4079160, 4759020, 5710824, 7138530, 9518040, 14277060, 28554120]

約数ペア:

[(1, 28554120), (2, 14277060), (3, 9518040), (4, 7138530), (5, 5710824), (6, 4759020), (7, 4079160), (8, 3569265), (9, 3172680), (10, 2855412), (12, 2379510), (14, 2039580), (15, 1903608), (18, 1586340), (20, 1427706), (21, 1359720), (24, 1189755), (27, 1057560), (28, 1019790), (30, 951804), (35, 815832), (36, 793170), (40, 713853), (42, 679860), (45, 634536), (54, 528780), (56, 509895), (60, 475902), (63, 453240), (70, 407916), (72, 396585), (81, 352520), (84, 339930), (90, 317268), (105, 271944), (108, 264390), (120, 237951), (126, 226620), (135, 211512), (140, 203958), (162, 176260), (168, 169965), (180, 158634), (189, 151080), (210, 135972), (216, 132195), (252, 113310), (270, 105756), (280, 101979), (315, 90648), (324, 88130), (360, 79317), (378, 75540), (405, 70504), (420, 67986), (504, 56655), (540, 52878), (567, 50360), (630, 45324), (648, 44065), (756, 37770), (810, 35252), (840, 33993), (945, 30216), (1080, 26439), (1134, 25180), (1259, 22680), (1260, 22662), (1512, 18885), (1620, 17626), (1890, 15108), (2268, 12590), (2518, 11340), (2520, 11331), (2835, 10072), (3240, 8813), (3777, 7560), (3780, 7554), (4536, 6295), (5036, 5670)]