40468320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 139754160

約数和(自身を除く): 99285840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 157, 160, 179, 180, 240, 288, 314, 358, 360, 471, 480, 537, 628, 716, 720, 785, 895, 942, 1074, 1256, 1413, 1432, 1440, 1570, 1611, 1790, 1884, 2148, 2355, 2512, 2685, 2826, 2864, 3140, 3222, 3580, 3768, 4296, 4710, 5024, 5370, 5652, 5728, 6280, 6444, 7065, 7160, 7536, 8055, 8592, 9420, 10740, 11304, 12560, 12888, 14130, 14320, 15072, 16110, 17184, 18840, 21480, 22608, 25120, 25776, 28103, 28260, 28640, 32220, 37680, 42960, 45216, 51552, 56206, 56520, 64440, 75360, 84309, 85920, 112412, 113040, 128880, 140515, 168618, 224824, 226080, 252927, 257760, 281030, 337236, 421545, 449648, 505854, 562060, 674472, 843090, 899296, 1011708, 1124120, 1264635, 1348944, 1686180, 2023416, 2248240, 2529270, 2697888, 3372360, 4046832, 4496480, 5058540, 6744720, 8093664, 10117080, 13489440, 20234160, 40468320]

約数ペア:

[(1, 40468320), (2, 20234160), (3, 13489440), (4, 10117080), (5, 8093664), (6, 6744720), (8, 5058540), (9, 4496480), (10, 4046832), (12, 3372360), (15, 2697888), (16, 2529270), (18, 2248240), (20, 2023416), (24, 1686180), (30, 1348944), (32, 1264635), (36, 1124120), (40, 1011708), (45, 899296), (48, 843090), (60, 674472), (72, 562060), (80, 505854), (90, 449648), (96, 421545), (120, 337236), (144, 281030), (157, 257760), (160, 252927), (179, 226080), (180, 224824), (240, 168618), (288, 140515), (314, 128880), (358, 113040), (360, 112412), (471, 85920), (480, 84309), (537, 75360), (628, 64440), (716, 56520), (720, 56206), (785, 51552), (895, 45216), (942, 42960), (1074, 37680), (1256, 32220), (1413, 28640), (1432, 28260), (1440, 28103), (1570, 25776), (1611, 25120), (1790, 22608), (1884, 21480), (2148, 18840), (2355, 17184), (2512, 16110), (2685, 15072), (2826, 14320), (2864, 14130), (3140, 12888), (3222, 12560), (3580, 11304), (3768, 10740), (4296, 9420), (4710, 8592), (5024, 8055), (5370, 7536), (5652, 7160), (5728, 7065), (6280, 6444)]