68815440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31859}}^1$

素因数の和:31881

約数の個数: 80

約数和(自身を含む): 237038400

約数和(自身を除く): 168222960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 31859, 63718, 95577, 127436, 159295, 191154, 254872, 286731, 318590, 382308, 477885, 509744, 573462, 637180, 764616, 860193, 955770, 1146924, 1274360, 1433655, 1529232, 1720386, 1911540, 2293848, 2548720, 2867310, 3440772, 3823080, 4300965, 4587696, 5734620, 6881544, 7646160, 8601930, 11469240, 13763088, 17203860, 22938480, 34407720, 68815440]

約数ペア:

[(1, 68815440), (2, 34407720), (3, 22938480), (4, 17203860), (5, 13763088), (6, 11469240), (8, 8601930), (9, 7646160), (10, 6881544), (12, 5734620), (15, 4587696), (16, 4300965), (18, 3823080), (20, 3440772), (24, 2867310), (27, 2548720), (30, 2293848), (36, 1911540), (40, 1720386), (45, 1529232), (48, 1433655), (54, 1274360), (60, 1146924), (72, 955770), (80, 860193), (90, 764616), (108, 637180), (120, 573462), (135, 509744), (144, 477885), (180, 382308), (216, 318590), (240, 286731), (270, 254872), (360, 191154), (432, 159295), (540, 127436), (720, 95577), (1080, 63718), (2160, 31859)]