78216720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10513}}^1$

素因数の和:10560

約数の個数: 80

約数和(自身を含む): 250317312

約数和(自身を除く): 172100592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 10513, 21026, 31539, 42052, 52565, 63078, 84104, 105130, 126156, 157695, 168208, 210260, 252312, 315390, 325903, 420520, 504624, 630780, 651806, 841040, 977709, 1261560, 1303612, 1629515, 1955418, 2523120, 2607224, 3259030, 3910836, 4888545, 5214448, 6518060, 7821672, 9777090, 13036120, 15643344, 19554180, 26072240, 39108360, 78216720]

約数ペア:

[(1, 78216720), (2, 39108360), (3, 26072240), (4, 19554180), (5, 15643344), (6, 13036120), (8, 9777090), (10, 7821672), (12, 6518060), (15, 5214448), (16, 4888545), (20, 3910836), (24, 3259030), (30, 2607224), (31, 2523120), (40, 1955418), (48, 1629515), (60, 1303612), (62, 1261560), (80, 977709), (93, 841040), (120, 651806), (124, 630780), (155, 504624), (186, 420520), (240, 325903), (248, 315390), (310, 252312), (372, 210260), (465, 168208), (496, 157695), (620, 126156), (744, 105130), (930, 84104), (1240, 63078), (1488, 52565), (1860, 42052), (2480, 31539), (3720, 21026), (7440, 10513)]