381840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 80

約数和(自身を含む): 1243968

約数和(自身を除く): 862128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 43, 48, 60, 74, 80, 86, 111, 120, 129, 148, 172, 185, 215, 222, 240, 258, 296, 344, 370, 430, 444, 516, 555, 592, 645, 688, 740, 860, 888, 1032, 1110, 1290, 1480, 1591, 1720, 1776, 2064, 2220, 2580, 2960, 3182, 3440, 4440, 4773, 5160, 6364, 7955, 8880, 9546, 10320, 12728, 15910, 19092, 23865, 25456, 31820, 38184, 47730, 63640, 76368, 95460, 127280, 190920, 381840]

約数ペア:

[(1, 381840), (2, 190920), (3, 127280), (4, 95460), (5, 76368), (6, 63640), (8, 47730), (10, 38184), (12, 31820), (15, 25456), (16, 23865), (20, 19092), (24, 15910), (30, 12728), (37, 10320), (40, 9546), (43, 8880), (48, 7955), (60, 6364), (74, 5160), (80, 4773), (86, 4440), (111, 3440), (120, 3182), (129, 2960), (148, 2580), (172, 2220), (185, 2064), (215, 1776), (222, 1720), (240, 1591), (258, 1480), (296, 1290), (344, 1110), (370, 1032), (430, 888), (444, 860), (516, 740), (555, 688), (592, 645)]