78368040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:656

約数の個数: 128

約数和(自身を含む): 263520000

約数和(自身を除く): 185151960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 149, 180, 216, 270, 298, 360, 447, 487, 540, 596, 745, 894, 974, 1080, 1192, 1341, 1461, 1490, 1788, 1948, 2235, 2435, 2682, 2922, 2980, 3576, 3896, 4023, 4383, 4470, 4870, 5364, 5844, 5960, 6705, 7305, 8046, 8766, 8940, 9740, 10728, 11688, 13149, 13410, 14610, 16092, 17532, 17880, 19480, 20115, 21915, 26298, 26820, 29220, 32184, 35064, 40230, 43830, 52596, 53640, 58440, 65745, 72563, 80460, 87660, 105192, 131490, 145126, 160920, 175320, 217689, 262980, 290252, 362815, 435378, 525960, 580504, 653067, 725630, 870756, 1088445, 1306134, 1451260, 1741512, 1959201, 2176890, 2612268, 2902520, 3265335, 3918402, 4353780, 5224536, 6530670, 7836804, 8707560, 9796005, 13061340, 15673608, 19592010, 26122680, 39184020, 78368040]

約数ペア:

[(1, 78368040), (2, 39184020), (3, 26122680), (4, 19592010), (5, 15673608), (6, 13061340), (8, 9796005), (9, 8707560), (10, 7836804), (12, 6530670), (15, 5224536), (18, 4353780), (20, 3918402), (24, 3265335), (27, 2902520), (30, 2612268), (36, 2176890), (40, 1959201), (45, 1741512), (54, 1451260), (60, 1306134), (72, 1088445), (90, 870756), (108, 725630), (120, 653067), (135, 580504), (149, 525960), (180, 435378), (216, 362815), (270, 290252), (298, 262980), (360, 217689), (447, 175320), (487, 160920), (540, 145126), (596, 131490), (745, 105192), (894, 87660), (974, 80460), (1080, 72563), (1192, 65745), (1341, 58440), (1461, 53640), (1490, 52596), (1788, 43830), (1948, 40230), (2235, 35064), (2435, 32184), (2682, 29220), (2922, 26820), (2980, 26298), (3576, 21915), (3896, 20115), (4023, 19480), (4383, 17880), (4470, 17532), (4870, 16092), (5364, 14610), (5844, 13410), (5960, 13149), (6705, 11688), (7305, 10728), (8046, 9740), (8766, 8940)]