319207920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30931}}^1$

素因数の和:30990

約数の個数: 80

約数和(自身を含む): 1012589952

約数和(自身を除く): 693382032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 30931, 61862, 92793, 123724, 154655, 185586, 247448, 309310, 371172, 463965, 494896, 618620, 742344, 927930, 1237240, 1330033, 1484688, 1855860, 2474480, 2660066, 3711720, 3990099, 5320132, 6650165, 7423440, 7980198, 10640264, 13300330, 15960396, 19950495, 21280528, 26600660, 31920792, 39900990, 53201320, 63841584, 79801980, 106402640, 159603960, 319207920]

約数ペア:

[(1, 319207920), (2, 159603960), (3, 106402640), (4, 79801980), (5, 63841584), (6, 53201320), (8, 39900990), (10, 31920792), (12, 26600660), (15, 21280528), (16, 19950495), (20, 15960396), (24, 13300330), (30, 10640264), (40, 7980198), (43, 7423440), (48, 6650165), (60, 5320132), (80, 3990099), (86, 3711720), (120, 2660066), (129, 2474480), (172, 1855860), (215, 1484688), (240, 1330033), (258, 1237240), (344, 927930), (430, 742344), (516, 618620), (645, 494896), (688, 463965), (860, 371172), (1032, 309310), (1290, 247448), (1720, 185586), (2064, 154655), (2580, 123724), (3440, 92793), (5160, 61862), (10320, 30931)]