31807160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 61504840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 449, 460, 506, 616, 644, 770, 805, 898, 920, 1012, 1265, 1288, 1540, 1610, 1771, 1796, 2024, 2245, 2530, 3080, 3143, 3220, 3542, 3592, 4490, 4939, 5060, 6286, 6440, 7084, 8855, 8980, 9878, 10120, 10327, 12572, 14168, 15715, 17710, 17960, 19756, 20654, 24695, 25144, 31430, 34573, 35420, 39512, 41308, 49390, 51635, 62860, 69146, 70840, 72289, 82616, 98780, 103270, 113597, 125720, 138292, 144578, 172865, 197560, 206540, 227194, 276584, 289156, 345730, 361445, 413080, 454388, 567985, 578312, 691460, 722890, 795179, 908776, 1135970, 1382920, 1445780, 1590358, 2271940, 2891560, 3180716, 3975895, 4543880, 6361432, 7951790, 15903580, 31807160]

約数ペア:

[(1, 31807160), (2, 15903580), (4, 7951790), (5, 6361432), (7, 4543880), (8, 3975895), (10, 3180716), (11, 2891560), (14, 2271940), (20, 1590358), (22, 1445780), (23, 1382920), (28, 1135970), (35, 908776), (40, 795179), (44, 722890), (46, 691460), (55, 578312), (56, 567985), (70, 454388), (77, 413080), (88, 361445), (92, 345730), (110, 289156), (115, 276584), (140, 227194), (154, 206540), (161, 197560), (184, 172865), (220, 144578), (230, 138292), (253, 125720), (280, 113597), (308, 103270), (322, 98780), (385, 82616), (440, 72289), (449, 70840), (460, 69146), (506, 62860), (616, 51635), (644, 49390), (770, 41308), (805, 39512), (898, 35420), (920, 34573), (1012, 31430), (1265, 25144), (1288, 24695), (1540, 20654), (1610, 19756), (1771, 17960), (1796, 17710), (2024, 15715), (2245, 14168), (2530, 12572), (3080, 10327), (3143, 10120), (3220, 9878), (3542, 8980), (3592, 8855), (4490, 7084), (4939, 6440), (5060, 6286)]