405500520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{22679}}^1$

素因数の和:22842

約数の個数: 64

約数和(自身を含む): 1224720000

約数和(自身を除く): 819219480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2980, 3576, 4470, 5960, 8940, 17880, 22679, 45358, 68037, 90716, 113395, 136074, 181432, 226790, 272148, 340185, 453580, 544296, 680370, 907160, 1360740, 2721480, 3379171, 6758342, 10137513, 13516684, 16895855, 20275026, 27033368, 33791710, 40550052, 50687565, 67583420, 81100104, 101375130, 135166840, 202750260, 405500520]

約数ペア:

[(1, 405500520), (2, 202750260), (3, 135166840), (4, 101375130), (5, 81100104), (6, 67583420), (8, 50687565), (10, 40550052), (12, 33791710), (15, 27033368), (20, 20275026), (24, 16895855), (30, 13516684), (40, 10137513), (60, 6758342), (120, 3379171), (149, 2721480), (298, 1360740), (447, 907160), (596, 680370), (745, 544296), (894, 453580), (1192, 340185), (1490, 272148), (1788, 226790), (2235, 181432), (2980, 136074), (3576, 113395), (4470, 90716), (5960, 68037), (8940, 45358), (17880, 22679)]