81436080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 278910720

約数和(自身を除く): 197474640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 109, 110, 120, 132, 165, 176, 218, 220, 240, 264, 283, 327, 330, 436, 440, 528, 545, 566, 654, 660, 849, 872, 880, 1090, 1132, 1199, 1308, 1320, 1415, 1635, 1698, 1744, 2180, 2264, 2398, 2616, 2640, 2830, 3113, 3270, 3396, 3597, 4245, 4360, 4528, 4796, 5232, 5660, 5995, 6226, 6540, 6792, 7194, 8490, 8720, 9339, 9592, 11320, 11990, 12452, 13080, 13584, 14388, 15565, 16980, 17985, 18678, 19184, 22640, 23980, 24904, 26160, 28776, 30847, 31130, 33960, 35970, 37356, 46695, 47960, 49808, 57552, 61694, 62260, 67920, 71940, 74712, 92541, 93390, 95920, 123388, 124520, 143880, 149424, 154235, 185082, 186780, 246776, 249040, 287760, 308470, 339317, 370164, 373560, 462705, 493552, 616940, 678634, 740328, 747120, 925410, 1017951, 1233880, 1357268, 1480656, 1696585, 1850820, 2035902, 2467760, 2714536, 3393170, 3701640, 4071804, 5089755, 5429072, 6786340, 7403280, 8143608, 10179510, 13572680, 16287216, 20359020, 27145360, 40718040, 81436080]

約数ペア:

[(1, 81436080), (2, 40718040), (3, 27145360), (4, 20359020), (5, 16287216), (6, 13572680), (8, 10179510), (10, 8143608), (11, 7403280), (12, 6786340), (15, 5429072), (16, 5089755), (20, 4071804), (22, 3701640), (24, 3393170), (30, 2714536), (33, 2467760), (40, 2035902), (44, 1850820), (48, 1696585), (55, 1480656), (60, 1357268), (66, 1233880), (80, 1017951), (88, 925410), (109, 747120), (110, 740328), (120, 678634), (132, 616940), (165, 493552), (176, 462705), (218, 373560), (220, 370164), (240, 339317), (264, 308470), (283, 287760), (327, 249040), (330, 246776), (436, 186780), (440, 185082), (528, 154235), (545, 149424), (566, 143880), (654, 124520), (660, 123388), (849, 95920), (872, 93390), (880, 92541), (1090, 74712), (1132, 71940), (1199, 67920), (1308, 62260), (1320, 61694), (1415, 57552), (1635, 49808), (1698, 47960), (1744, 46695), (2180, 37356), (2264, 35970), (2398, 33960), (2616, 31130), (2640, 30847), (2830, 28776), (3113, 26160), (3270, 24904), (3396, 23980), (3597, 22640), (4245, 19184), (4360, 18678), (4528, 17985), (4796, 16980), (5232, 15565), (5660, 14388), (5995, 13584), (6226, 13080), (6540, 12452), (6792, 11990), (7194, 11320), (8490, 9592), (8720, 9339)]