30816580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 68992560

約数和(自身を除く): 38175980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 340, 389, 466, 778, 932, 1165, 1556, 1945, 2330, 3890, 3961, 4660, 6613, 7780, 7922, 13226, 15844, 19805, 26452, 33065, 39610, 66130, 79220, 90637, 132260, 181274, 362548, 453185, 906370, 1540829, 1812740, 3081658, 6163316, 7704145, 15408290, 30816580]

約数ペア:

[(1, 30816580), (2, 15408290), (4, 7704145), (5, 6163316), (10, 3081658), (17, 1812740), (20, 1540829), (34, 906370), (68, 453185), (85, 362548), (170, 181274), (233, 132260), (340, 90637), (389, 79220), (466, 66130), (778, 39610), (932, 33065), (1165, 26452), (1556, 19805), (1945, 15844), (2330, 13226), (3890, 7922), (3961, 7780), (4660, 6613)]