251004720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1049}}^1$

素因数の和:2062

約数の個数: 80

約数和(自身を含む): 779637600

約数和(自身を除く): 528632880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 997, 1049, 1994, 2098, 2991, 3147, 3988, 4196, 4985, 5245, 5982, 6294, 7976, 8392, 9970, 10490, 11964, 12588, 14955, 15735, 15952, 16784, 19940, 20980, 23928, 25176, 29910, 31470, 39880, 41960, 47856, 50352, 59820, 62940, 79760, 83920, 119640, 125880, 239280, 251760, 1045853, 2091706, 3137559, 4183412, 5229265, 6275118, 8366824, 10458530, 12550236, 15687795, 16733648, 20917060, 25100472, 31375590, 41834120, 50200944, 62751180, 83668240, 125502360, 251004720]

約数ペア:

[(1, 251004720), (2, 125502360), (3, 83668240), (4, 62751180), (5, 50200944), (6, 41834120), (8, 31375590), (10, 25100472), (12, 20917060), (15, 16733648), (16, 15687795), (20, 12550236), (24, 10458530), (30, 8366824), (40, 6275118), (48, 5229265), (60, 4183412), (80, 3137559), (120, 2091706), (240, 1045853), (997, 251760), (1049, 239280), (1994, 125880), (2098, 119640), (2991, 83920), (3147, 79760), (3988, 62940), (4196, 59820), (4985, 50352), (5245, 47856), (5982, 41960), (6294, 39880), (7976, 31470), (8392, 29910), (9970, 25176), (10490, 23928), (11964, 20980), (12588, 19940), (14955, 16784), (15735, 15952)]