8421480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 27729000

約数和(自身を除く): 19307520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 149, 157, 180, 298, 314, 360, 447, 471, 596, 628, 745, 785, 894, 942, 1192, 1256, 1341, 1413, 1490, 1570, 1788, 1884, 2235, 2355, 2682, 2826, 2980, 3140, 3576, 3768, 4470, 4710, 5364, 5652, 5960, 6280, 6705, 7065, 8940, 9420, 10728, 11304, 13410, 14130, 17880, 18840, 23393, 26820, 28260, 46786, 53640, 56520, 70179, 93572, 116965, 140358, 187144, 210537, 233930, 280716, 350895, 421074, 467860, 561432, 701790, 842148, 935720, 1052685, 1403580, 1684296, 2105370, 2807160, 4210740, 8421480]

約数ペア:

[(1, 8421480), (2, 4210740), (3, 2807160), (4, 2105370), (5, 1684296), (6, 1403580), (8, 1052685), (9, 935720), (10, 842148), (12, 701790), (15, 561432), (18, 467860), (20, 421074), (24, 350895), (30, 280716), (36, 233930), (40, 210537), (45, 187144), (60, 140358), (72, 116965), (90, 93572), (120, 70179), (149, 56520), (157, 53640), (180, 46786), (298, 28260), (314, 26820), (360, 23393), (447, 18840), (471, 17880), (596, 14130), (628, 13410), (745, 11304), (785, 10728), (894, 9420), (942, 8940), (1192, 7065), (1256, 6705), (1341, 6280), (1413, 5960), (1490, 5652), (1570, 5364), (1788, 4710), (1884, 4470), (2235, 3768), (2355, 3576), (2682, 3140), (2826, 2980)]