28384920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2185

約数の個数: 96

約数和(自身を含む): 94788720

約数和(自身を除く): 66403800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 2131, 2220, 2664, 3330, 4262, 4440, 6393, 6660, 8524, 10655, 12786, 13320, 17048, 19179, 21310, 25572, 31965, 38358, 42620, 51144, 63930, 76716, 78847, 85240, 95895, 127860, 153432, 157694, 191790, 236541, 255720, 315388, 383580, 394235, 473082, 630776, 709623, 767160, 788470, 946164, 1182705, 1419246, 1576940, 1892328, 2365410, 2838492, 3153880, 3548115, 4730820, 5676984, 7096230, 9461640, 14192460, 28384920]

約数ペア:

[(1, 28384920), (2, 14192460), (3, 9461640), (4, 7096230), (5, 5676984), (6, 4730820), (8, 3548115), (9, 3153880), (10, 2838492), (12, 2365410), (15, 1892328), (18, 1576940), (20, 1419246), (24, 1182705), (30, 946164), (36, 788470), (37, 767160), (40, 709623), (45, 630776), (60, 473082), (72, 394235), (74, 383580), (90, 315388), (111, 255720), (120, 236541), (148, 191790), (180, 157694), (185, 153432), (222, 127860), (296, 95895), (333, 85240), (360, 78847), (370, 76716), (444, 63930), (555, 51144), (666, 42620), (740, 38358), (888, 31965), (1110, 25572), (1332, 21310), (1480, 19179), (1665, 17048), (2131, 13320), (2220, 12786), (2664, 10655), (3330, 8524), (4262, 6660), (4440, 6393)]