18138720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 62705664

約数和(自身を除く): 44566944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 53, 60, 62, 69, 80, 92, 93, 96, 106, 115, 120, 124, 138, 155, 159, 160, 184, 186, 212, 230, 240, 248, 265, 276, 310, 318, 345, 368, 372, 424, 460, 465, 480, 496, 530, 552, 620, 636, 690, 713, 736, 744, 795, 848, 920, 930, 992, 1060, 1104, 1219, 1240, 1272, 1380, 1426, 1488, 1590, 1643, 1696, 1840, 1860, 2120, 2139, 2208, 2438, 2480, 2544, 2760, 2852, 2976, 3180, 3286, 3565, 3657, 3680, 3720, 4240, 4278, 4876, 4929, 4960, 5088, 5520, 5704, 6095, 6360, 6572, 7130, 7314, 7440, 8215, 8480, 8556, 9752, 9858, 10695, 11040, 11408, 12190, 12720, 13144, 14260, 14628, 14880, 16430, 17112, 18285, 19504, 19716, 21390, 22816, 24380, 24645, 25440, 26288, 28520, 29256, 32860, 34224, 36570, 37789, 39008, 39432, 42780, 48760, 49290, 52576, 57040, 58512, 65720, 68448, 73140, 75578, 78864, 85560, 97520, 98580, 113367, 114080, 117024, 131440, 146280, 151156, 157728, 171120, 188945, 195040, 197160, 226734, 262880, 292560, 302312, 342240, 377890, 394320, 453468, 566835, 585120, 604624, 755780, 788640, 906936, 1133670, 1209248, 1511560, 1813872, 2267340, 3023120, 3627744, 4534680, 6046240, 9069360, 18138720]

約数ペア:

[(1, 18138720), (2, 9069360), (3, 6046240), (4, 4534680), (5, 3627744), (6, 3023120), (8, 2267340), (10, 1813872), (12, 1511560), (15, 1209248), (16, 1133670), (20, 906936), (23, 788640), (24, 755780), (30, 604624), (31, 585120), (32, 566835), (40, 453468), (46, 394320), (48, 377890), (53, 342240), (60, 302312), (62, 292560), (69, 262880), (80, 226734), (92, 197160), (93, 195040), (96, 188945), (106, 171120), (115, 157728), (120, 151156), (124, 146280), (138, 131440), (155, 117024), (159, 114080), (160, 113367), (184, 98580), (186, 97520), (212, 85560), (230, 78864), (240, 75578), (248, 73140), (265, 68448), (276, 65720), (310, 58512), (318, 57040), (345, 52576), (368, 49290), (372, 48760), (424, 42780), (460, 39432), (465, 39008), (480, 37789), (496, 36570), (530, 34224), (552, 32860), (620, 29256), (636, 28520), (690, 26288), (713, 25440), (736, 24645), (744, 24380), (795, 22816), (848, 21390), (920, 19716), (930, 19504), (992, 18285), (1060, 17112), (1104, 16430), (1219, 14880), (1240, 14628), (1272, 14260), (1380, 13144), (1426, 12720), (1488, 12190), (1590, 11408), (1643, 11040), (1696, 10695), (1840, 9858), (1860, 9752), (2120, 8556), (2139, 8480), (2208, 8215), (2438, 7440), (2480, 7314), (2544, 7130), (2760, 6572), (2852, 6360), (2976, 6095), (3180, 5704), (3286, 5520), (3565, 5088), (3657, 4960), (3680, 4929), (3720, 4876), (4240, 4278)]