80068660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1037

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 128950220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 971, 1085, 1178, 1330, 1942, 2170, 2356, 2660, 2945, 3884, 4123, 4340, 4855, 5890, 6797, 8246, 9710, 11780, 13594, 16492, 18449, 19420, 20615, 27188, 30101, 33985, 36898, 41230, 60202, 67970, 73796, 82460, 92245, 120404, 129143, 135940, 150505, 184490, 210707, 258286, 301010, 368980, 421414, 516572, 571919, 602020, 645715, 842828, 1053535, 1143838, 1291430, 2107070, 2287676, 2582860, 2859595, 4003433, 4214140, 5719190, 8006866, 11438380, 16013732, 20017165, 40034330, 80068660]

約数ペア:

[(1, 80068660), (2, 40034330), (4, 20017165), (5, 16013732), (7, 11438380), (10, 8006866), (14, 5719190), (19, 4214140), (20, 4003433), (28, 2859595), (31, 2582860), (35, 2287676), (38, 2107070), (62, 1291430), (70, 1143838), (76, 1053535), (95, 842828), (124, 645715), (133, 602020), (140, 571919), (155, 516572), (190, 421414), (217, 368980), (266, 301010), (310, 258286), (380, 210707), (434, 184490), (532, 150505), (589, 135940), (620, 129143), (665, 120404), (868, 92245), (971, 82460), (1085, 73796), (1178, 67970), (1330, 60202), (1942, 41230), (2170, 36898), (2356, 33985), (2660, 30101), (2945, 27188), (3884, 20615), (4123, 19420), (4340, 18449), (4855, 16492), (5890, 13594), (6797, 11780), (8246, 9710)]