168446720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 445036032

約数和(自身を除く): 276589312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 128, 130, 160, 191, 208, 212, 256, 260, 265, 320, 382, 416, 424, 520, 530, 640, 689, 764, 832, 848, 955, 1040, 1060, 1280, 1378, 1528, 1664, 1696, 1910, 2080, 2120, 2483, 2756, 3056, 3328, 3392, 3445, 3820, 4160, 4240, 4966, 5512, 6112, 6784, 6890, 7640, 8320, 8480, 9932, 10123, 11024, 12224, 12415, 13568, 13780, 15280, 16640, 16960, 19864, 20246, 22048, 24448, 24830, 27560, 30560, 33920, 39728, 40492, 44096, 48896, 49660, 50615, 55120, 61120, 67840, 79456, 80984, 88192, 99320, 101230, 110240, 122240, 131599, 158912, 161968, 176384, 198640, 202460, 220480, 244480, 263198, 317824, 323936, 397280, 404920, 440960, 526396, 635648, 647872, 657995, 794560, 809840, 881920, 1052792, 1295744, 1315990, 1589120, 1619680, 2105584, 2591488, 2631980, 3178240, 3239360, 4211168, 5263960, 6478720, 8422336, 10527920, 12957440, 16844672, 21055840, 33689344, 42111680, 84223360, 168446720]

約数ペア:

[(1, 168446720), (2, 84223360), (4, 42111680), (5, 33689344), (8, 21055840), (10, 16844672), (13, 12957440), (16, 10527920), (20, 8422336), (26, 6478720), (32, 5263960), (40, 4211168), (52, 3239360), (53, 3178240), (64, 2631980), (65, 2591488), (80, 2105584), (104, 1619680), (106, 1589120), (128, 1315990), (130, 1295744), (160, 1052792), (191, 881920), (208, 809840), (212, 794560), (256, 657995), (260, 647872), (265, 635648), (320, 526396), (382, 440960), (416, 404920), (424, 397280), (520, 323936), (530, 317824), (640, 263198), (689, 244480), (764, 220480), (832, 202460), (848, 198640), (955, 176384), (1040, 161968), (1060, 158912), (1280, 131599), (1378, 122240), (1528, 110240), (1664, 101230), (1696, 99320), (1910, 88192), (2080, 80984), (2120, 79456), (2483, 67840), (2756, 61120), (3056, 55120), (3328, 50615), (3392, 49660), (3445, 48896), (3820, 44096), (4160, 40492), (4240, 39728), (4966, 33920), (5512, 30560), (6112, 27560), (6784, 24830), (6890, 24448), (7640, 22048), (8320, 20246), (8480, 19864), (9932, 16960), (10123, 16640), (11024, 15280), (12224, 13780), (12415, 13568)]