78544980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3331}}^1$

素因数の和:3477

約数の個数: 72

約数和(自身を含む): 240143904

約数和(自身を除く): 161598924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3331, 3930, 4716, 5895, 6662, 7860, 9993, 11790, 13324, 16655, 19986, 23580, 29979, 33310, 39972, 49965, 59958, 66620, 99930, 119916, 149895, 199860, 299790, 436361, 599580, 872722, 1309083, 1745444, 2181805, 2618166, 3927249, 4363610, 5236332, 6545415, 7854498, 8727220, 13090830, 15708996, 19636245, 26181660, 39272490, 78544980]

約数ペア:

[(1, 78544980), (2, 39272490), (3, 26181660), (4, 19636245), (5, 15708996), (6, 13090830), (9, 8727220), (10, 7854498), (12, 6545415), (15, 5236332), (18, 4363610), (20, 3927249), (30, 2618166), (36, 2181805), (45, 1745444), (60, 1309083), (90, 872722), (131, 599580), (180, 436361), (262, 299790), (393, 199860), (524, 149895), (655, 119916), (786, 99930), (1179, 66620), (1310, 59958), (1572, 49965), (1965, 39972), (2358, 33310), (2620, 29979), (3331, 23580), (3930, 19986), (4716, 16655), (5895, 13324), (6662, 11790), (7860, 9993)]