78596980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 219252096

約数和(自身を除く): 140655116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 140, 154, 161, 196, 220, 230, 245, 253, 308, 317, 322, 385, 460, 490, 506, 539, 634, 644, 770, 805, 980, 1012, 1078, 1127, 1265, 1268, 1540, 1585, 1610, 1771, 2156, 2219, 2254, 2530, 2695, 3170, 3220, 3487, 3542, 4438, 4508, 5060, 5390, 5635, 6340, 6974, 7084, 7291, 8855, 8876, 10780, 11095, 11270, 12397, 13948, 14582, 15533, 17435, 17710, 22190, 22540, 24409, 24794, 29164, 31066, 34870, 35420, 36455, 44380, 48818, 49588, 51037, 61985, 62132, 69740, 72910, 77665, 80201, 97636, 102074, 122045, 123970, 145820, 155330, 160402, 170863, 204148, 244090, 247940, 255185, 310660, 320804, 341726, 357259, 401005, 488180, 510370, 561407, 683452, 714518, 802010, 854315, 1020740, 1122814, 1429036, 1604020, 1708630, 1786295, 2245628, 2807035, 3417260, 3572590, 3929849, 5614070, 7145180, 7859698, 11228140, 15719396, 19649245, 39298490, 78596980]

約数ペア:

[(1, 78596980), (2, 39298490), (4, 19649245), (5, 15719396), (7, 11228140), (10, 7859698), (11, 7145180), (14, 5614070), (20, 3929849), (22, 3572590), (23, 3417260), (28, 2807035), (35, 2245628), (44, 1786295), (46, 1708630), (49, 1604020), (55, 1429036), (70, 1122814), (77, 1020740), (92, 854315), (98, 802010), (110, 714518), (115, 683452), (140, 561407), (154, 510370), (161, 488180), (196, 401005), (220, 357259), (230, 341726), (245, 320804), (253, 310660), (308, 255185), (317, 247940), (322, 244090), (385, 204148), (460, 170863), (490, 160402), (506, 155330), (539, 145820), (634, 123970), (644, 122045), (770, 102074), (805, 97636), (980, 80201), (1012, 77665), (1078, 72910), (1127, 69740), (1265, 62132), (1268, 61985), (1540, 51037), (1585, 49588), (1610, 48818), (1771, 44380), (2156, 36455), (2219, 35420), (2254, 34870), (2530, 31066), (2695, 29164), (3170, 24794), (3220, 24409), (3487, 22540), (3542, 22190), (4438, 17710), (4508, 17435), (5060, 15533), (5390, 14582), (5635, 13948), (6340, 12397), (6974, 11270), (7084, 11095), (7291, 10780), (8855, 8876)]