81533160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 284169600

約数和(自身を除く): 202636440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 43, 45, 46, 60, 69, 72, 86, 90, 92, 115, 120, 129, 138, 172, 180, 184, 207, 215, 229, 230, 258, 276, 344, 345, 360, 387, 414, 430, 458, 460, 516, 552, 645, 687, 690, 774, 828, 860, 916, 920, 989, 1032, 1035, 1145, 1290, 1374, 1380, 1548, 1656, 1720, 1832, 1935, 1978, 2061, 2070, 2290, 2580, 2748, 2760, 2967, 3096, 3435, 3870, 3956, 4122, 4140, 4580, 4945, 5160, 5267, 5496, 5934, 6870, 7740, 7912, 8244, 8280, 8901, 9160, 9847, 9890, 10305, 10534, 11868, 13740, 14835, 15480, 15801, 16488, 17802, 19694, 19780, 20610, 21068, 23736, 26335, 27480, 29541, 29670, 31602, 35604, 39388, 39560, 41220, 42136, 44505, 47403, 49235, 52670, 59082, 59340, 63204, 71208, 78776, 79005, 82440, 88623, 89010, 94806, 98470, 105340, 118164, 118680, 126408, 147705, 158010, 177246, 178020, 189612, 196940, 210680, 226481, 236328, 237015, 295410, 316020, 354492, 356040, 379224, 393880, 443115, 452962, 474030, 590820, 632040, 679443, 708984, 886230, 905924, 948060, 1132405, 1181640, 1358886, 1772460, 1811848, 1896120, 2038329, 2264810, 2717772, 3397215, 3544920, 4076658, 4529620, 5435544, 6794430, 8153316, 9059240, 10191645, 13588860, 16306632, 20383290, 27177720, 40766580, 81533160]

約数ペア:

[(1, 81533160), (2, 40766580), (3, 27177720), (4, 20383290), (5, 16306632), (6, 13588860), (8, 10191645), (9, 9059240), (10, 8153316), (12, 6794430), (15, 5435544), (18, 4529620), (20, 4076658), (23, 3544920), (24, 3397215), (30, 2717772), (36, 2264810), (40, 2038329), (43, 1896120), (45, 1811848), (46, 1772460), (60, 1358886), (69, 1181640), (72, 1132405), (86, 948060), (90, 905924), (92, 886230), (115, 708984), (120, 679443), (129, 632040), (138, 590820), (172, 474030), (180, 452962), (184, 443115), (207, 393880), (215, 379224), (229, 356040), (230, 354492), (258, 316020), (276, 295410), (344, 237015), (345, 236328), (360, 226481), (387, 210680), (414, 196940), (430, 189612), (458, 178020), (460, 177246), (516, 158010), (552, 147705), (645, 126408), (687, 118680), (690, 118164), (774, 105340), (828, 98470), (860, 94806), (916, 89010), (920, 88623), (989, 82440), (1032, 79005), (1035, 78776), (1145, 71208), (1290, 63204), (1374, 59340), (1380, 59082), (1548, 52670), (1656, 49235), (1720, 47403), (1832, 44505), (1935, 42136), (1978, 41220), (2061, 39560), (2070, 39388), (2290, 35604), (2580, 31602), (2748, 29670), (2760, 29541), (2967, 27480), (3096, 26335), (3435, 23736), (3870, 21068), (3956, 20610), (4122, 19780), (4140, 19694), (4580, 17802), (4945, 16488), (5160, 15801), (5267, 15480), (5496, 14835), (5934, 13740), (6870, 11868), (7740, 10534), (7912, 10305), (8244, 9890), (8280, 9847), (8901, 9160)]