81382560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 299158272

約数和(自身を除く): 217775712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 96, 105, 106, 112, 120, 140, 159, 160, 168, 210, 212, 224, 240, 265, 280, 318, 336, 371, 420, 424, 457, 480, 530, 560, 636, 672, 742, 795, 840, 848, 914, 1060, 1113, 1120, 1272, 1371, 1484, 1590, 1680, 1696, 1828, 1855, 2120, 2226, 2285, 2544, 2742, 2968, 3180, 3199, 3360, 3656, 3710, 4240, 4452, 4570, 5088, 5484, 5565, 5936, 6360, 6398, 6855, 7312, 7420, 8480, 8904, 9140, 9597, 10968, 11130, 11872, 12720, 12796, 13710, 14624, 14840, 15995, 17808, 18280, 19194, 21936, 22260, 24221, 25440, 25592, 27420, 29680, 31990, 35616, 36560, 38388, 43872, 44520, 47985, 48442, 51184, 54840, 59360, 63980, 72663, 73120, 76776, 89040, 95970, 96884, 102368, 109680, 121105, 127960, 145326, 153552, 169547, 178080, 191940, 193768, 219360, 242210, 255920, 290652, 307104, 339094, 363315, 383880, 387536, 484420, 508641, 511840, 581304, 678188, 726630, 767760, 775072, 847735, 968840, 1017282, 1162608, 1356376, 1453260, 1535520, 1695470, 1937680, 2034564, 2325216, 2543205, 2712752, 2906520, 3390940, 3875360, 4069128, 5086410, 5425504, 5813040, 6781880, 8138256, 10172820, 11626080, 13563760, 16276512, 20345640, 27127520, 40691280, 81382560]

約数ペア:

[(1, 81382560), (2, 40691280), (3, 27127520), (4, 20345640), (5, 16276512), (6, 13563760), (7, 11626080), (8, 10172820), (10, 8138256), (12, 6781880), (14, 5813040), (15, 5425504), (16, 5086410), (20, 4069128), (21, 3875360), (24, 3390940), (28, 2906520), (30, 2712752), (32, 2543205), (35, 2325216), (40, 2034564), (42, 1937680), (48, 1695470), (53, 1535520), (56, 1453260), (60, 1356376), (70, 1162608), (80, 1017282), (84, 968840), (96, 847735), (105, 775072), (106, 767760), (112, 726630), (120, 678188), (140, 581304), (159, 511840), (160, 508641), (168, 484420), (210, 387536), (212, 383880), (224, 363315), (240, 339094), (265, 307104), (280, 290652), (318, 255920), (336, 242210), (371, 219360), (420, 193768), (424, 191940), (457, 178080), (480, 169547), (530, 153552), (560, 145326), (636, 127960), (672, 121105), (742, 109680), (795, 102368), (840, 96884), (848, 95970), (914, 89040), (1060, 76776), (1113, 73120), (1120, 72663), (1272, 63980), (1371, 59360), (1484, 54840), (1590, 51184), (1680, 48442), (1696, 47985), (1828, 44520), (1855, 43872), (2120, 38388), (2226, 36560), (2285, 35616), (2544, 31990), (2742, 29680), (2968, 27420), (3180, 25592), (3199, 25440), (3360, 24221), (3656, 22260), (3710, 21936), (4240, 19194), (4452, 18280), (4570, 17808), (5088, 15995), (5484, 14840), (5565, 14624), (5936, 13710), (6360, 12796), (6398, 12720), (6855, 11872), (7312, 11130), (7420, 10968), (8480, 9597), (8904, 9140)]