30697520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 85494528

約数和(自身を除く): 54797008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 191, 196, 205, 245, 280, 287, 328, 382, 392, 410, 490, 560, 574, 656, 764, 784, 820, 955, 980, 1148, 1337, 1435, 1528, 1640, 1910, 1960, 2009, 2296, 2674, 2870, 3056, 3280, 3820, 3920, 4018, 4592, 5348, 5740, 6685, 7640, 7831, 8036, 9359, 10045, 10696, 11480, 13370, 15280, 15662, 16072, 18718, 20090, 21392, 22960, 26740, 31324, 32144, 37436, 39155, 40180, 46795, 53480, 54817, 62648, 74872, 78310, 80360, 93590, 106960, 109634, 125296, 149744, 156620, 160720, 187180, 219268, 274085, 313240, 374360, 383719, 438536, 548170, 626480, 748720, 767438, 877072, 1096340, 1534876, 1918595, 2192680, 3069752, 3837190, 4385360, 6139504, 7674380, 15348760, 30697520]

約数ペア:

[(1, 30697520), (2, 15348760), (4, 7674380), (5, 6139504), (7, 4385360), (8, 3837190), (10, 3069752), (14, 2192680), (16, 1918595), (20, 1534876), (28, 1096340), (35, 877072), (40, 767438), (41, 748720), (49, 626480), (56, 548170), (70, 438536), (80, 383719), (82, 374360), (98, 313240), (112, 274085), (140, 219268), (164, 187180), (191, 160720), (196, 156620), (205, 149744), (245, 125296), (280, 109634), (287, 106960), (328, 93590), (382, 80360), (392, 78310), (410, 74872), (490, 62648), (560, 54817), (574, 53480), (656, 46795), (764, 40180), (784, 39155), (820, 37436), (955, 32144), (980, 31324), (1148, 26740), (1337, 22960), (1435, 21392), (1528, 20090), (1640, 18718), (1910, 16072), (1960, 15662), (2009, 15280), (2296, 13370), (2674, 11480), (2870, 10696), (3056, 10045), (3280, 9359), (3820, 8036), (3920, 7831), (4018, 7640), (4592, 6685), (5348, 5740)]