2803080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 9953280

約数和(自身を除く): 7150200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 71, 84, 94, 105, 120, 140, 141, 142, 168, 188, 210, 213, 235, 280, 282, 284, 329, 355, 376, 420, 426, 470, 497, 564, 568, 658, 705, 710, 840, 852, 940, 987, 994, 1065, 1128, 1316, 1410, 1420, 1491, 1645, 1704, 1880, 1974, 1988, 2130, 2485, 2632, 2820, 2840, 2982, 3290, 3337, 3948, 3976, 4260, 4935, 4970, 5640, 5964, 6580, 6674, 7455, 7896, 8520, 9870, 9940, 10011, 11928, 13160, 13348, 14910, 16685, 19740, 19880, 20022, 23359, 26696, 29820, 33370, 39480, 40044, 46718, 50055, 59640, 66740, 70077, 80088, 93436, 100110, 116795, 133480, 140154, 186872, 200220, 233590, 280308, 350385, 400440, 467180, 560616, 700770, 934360, 1401540, 2803080]

約数ペア:

[(1, 2803080), (2, 1401540), (3, 934360), (4, 700770), (5, 560616), (6, 467180), (7, 400440), (8, 350385), (10, 280308), (12, 233590), (14, 200220), (15, 186872), (20, 140154), (21, 133480), (24, 116795), (28, 100110), (30, 93436), (35, 80088), (40, 70077), (42, 66740), (47, 59640), (56, 50055), (60, 46718), (70, 40044), (71, 39480), (84, 33370), (94, 29820), (105, 26696), (120, 23359), (140, 20022), (141, 19880), (142, 19740), (168, 16685), (188, 14910), (210, 13348), (213, 13160), (235, 11928), (280, 10011), (282, 9940), (284, 9870), (329, 8520), (355, 7896), (376, 7455), (420, 6674), (426, 6580), (470, 5964), (497, 5640), (564, 4970), (568, 4935), (658, 4260), (705, 3976), (710, 3948), (840, 3337), (852, 3290), (940, 2982), (987, 2840), (994, 2820), (1065, 2632), (1128, 2485), (1316, 2130), (1410, 1988), (1420, 1974), (1491, 1880), (1645, 1704)]