66161960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 158922000

約数和(自身を除く): 92760040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 653, 680, 745, 1192, 1306, 1490, 2533, 2612, 2980, 3265, 5066, 5224, 5960, 6530, 10132, 11101, 12665, 13060, 20264, 22202, 25330, 26120, 44404, 50660, 55505, 88808, 97297, 101320, 111010, 194594, 222020, 389188, 444040, 486485, 778376, 972970, 1654049, 1945940, 3308098, 3891880, 6616196, 8270245, 13232392, 16540490, 33080980, 66161960]

約数ペア:

[(1, 66161960), (2, 33080980), (4, 16540490), (5, 13232392), (8, 8270245), (10, 6616196), (17, 3891880), (20, 3308098), (34, 1945940), (40, 1654049), (68, 972970), (85, 778376), (136, 486485), (149, 444040), (170, 389188), (298, 222020), (340, 194594), (596, 111010), (653, 101320), (680, 97297), (745, 88808), (1192, 55505), (1306, 50660), (1490, 44404), (2533, 26120), (2612, 25330), (2980, 22202), (3265, 20264), (5066, 13060), (5224, 12665), (5960, 11101), (6530, 10132)]