18817680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 160

約数和(自身を含む): 69709824

約数和(自身を除く): 50892144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 487, 552, 560, 644, 690, 805, 840, 920, 966, 974, 1104, 1288, 1380, 1461, 1610, 1680, 1840, 1932, 1948, 2415, 2435, 2576, 2760, 2922, 3220, 3409, 3864, 3896, 4830, 4870, 5520, 5844, 6440, 6818, 7305, 7728, 7792, 9660, 9740, 10227, 11201, 11688, 12880, 13636, 14610, 17045, 19320, 19480, 20454, 22402, 23376, 27272, 29220, 33603, 34090, 38640, 38960, 40908, 44804, 51135, 54544, 56005, 58440, 67206, 68180, 78407, 81816, 89608, 102270, 112010, 116880, 134412, 136360, 156814, 163632, 168015, 179216, 204540, 224020, 235221, 268824, 272720, 313628, 336030, 392035, 409080, 448040, 470442, 537648, 627256, 672060, 784070, 818160, 896080, 940884, 1176105, 1254512, 1344120, 1568140, 1881768, 2352210, 2688240, 3136280, 3763536, 4704420, 6272560, 9408840, 18817680]

約数ペア:

[(1, 18817680), (2, 9408840), (3, 6272560), (4, 4704420), (5, 3763536), (6, 3136280), (7, 2688240), (8, 2352210), (10, 1881768), (12, 1568140), (14, 1344120), (15, 1254512), (16, 1176105), (20, 940884), (21, 896080), (23, 818160), (24, 784070), (28, 672060), (30, 627256), (35, 537648), (40, 470442), (42, 448040), (46, 409080), (48, 392035), (56, 336030), (60, 313628), (69, 272720), (70, 268824), (80, 235221), (84, 224020), (92, 204540), (105, 179216), (112, 168015), (115, 163632), (120, 156814), (138, 136360), (140, 134412), (161, 116880), (168, 112010), (184, 102270), (210, 89608), (230, 81816), (240, 78407), (276, 68180), (280, 67206), (322, 58440), (336, 56005), (345, 54544), (368, 51135), (420, 44804), (460, 40908), (483, 38960), (487, 38640), (552, 34090), (560, 33603), (644, 29220), (690, 27272), (805, 23376), (840, 22402), (920, 20454), (966, 19480), (974, 19320), (1104, 17045), (1288, 14610), (1380, 13636), (1461, 12880), (1610, 11688), (1680, 11201), (1840, 10227), (1932, 9740), (1948, 9660), (2415, 7792), (2435, 7728), (2576, 7305), (2760, 6818), (2922, 6440), (3220, 5844), (3409, 5520), (3864, 4870), (3896, 4830)]