178978980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{28961}}^1$

素因数の和:29076

約数の個数: 48

約数和(自身を含む): 506024064

約数和(自身を除く): 327045084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 6180, 28961, 57922, 86883, 115844, 144805, 173766, 289610, 347532, 434415, 579220, 868830, 1737660, 2982983, 5965966, 8948949, 11931932, 14914915, 17897898, 29829830, 35795796, 44744745, 59659660, 89489490, 178978980]

約数ペア:

[(1, 178978980), (2, 89489490), (3, 59659660), (4, 44744745), (5, 35795796), (6, 29829830), (10, 17897898), (12, 14914915), (15, 11931932), (20, 8948949), (30, 5965966), (60, 2982983), (103, 1737660), (206, 868830), (309, 579220), (412, 434415), (515, 347532), (618, 289610), (1030, 173766), (1236, 144805), (1545, 115844), (2060, 86883), (3090, 57922), (6180, 28961)]