78796980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4513}}^1$

素因数の和:4625

約数の個数: 72

約数和(自身を含む): 241535112

約数和(自身を除く): 162738132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 4513, 5820, 8730, 9026, 13539, 17460, 18052, 22565, 27078, 40617, 45130, 54156, 67695, 81234, 90260, 135390, 162468, 203085, 270780, 406170, 437761, 812340, 875522, 1313283, 1751044, 2188805, 2626566, 3939849, 4377610, 5253132, 6566415, 7879698, 8755220, 13132830, 15759396, 19699245, 26265660, 39398490, 78796980]

約数ペア:

[(1, 78796980), (2, 39398490), (3, 26265660), (4, 19699245), (5, 15759396), (6, 13132830), (9, 8755220), (10, 7879698), (12, 6566415), (15, 5253132), (18, 4377610), (20, 3939849), (30, 2626566), (36, 2188805), (45, 1751044), (60, 1313283), (90, 875522), (97, 812340), (180, 437761), (194, 406170), (291, 270780), (388, 203085), (485, 162468), (582, 135390), (873, 90260), (970, 81234), (1164, 67695), (1455, 54156), (1746, 45130), (1940, 40617), (2910, 27078), (3492, 22565), (4365, 18052), (4513, 17460), (5820, 13539), (8730, 9026)]