78688980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 253169280

約数和(自身を除く): 174480300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 83, 90, 92, 115, 138, 166, 180, 207, 229, 230, 249, 276, 332, 345, 414, 415, 458, 460, 498, 687, 690, 747, 828, 830, 916, 996, 1035, 1145, 1245, 1374, 1380, 1494, 1660, 1909, 2061, 2070, 2290, 2490, 2748, 2988, 3435, 3735, 3818, 4122, 4140, 4580, 4980, 5267, 5727, 6870, 7470, 7636, 8244, 9545, 10305, 10534, 11454, 13740, 14940, 15801, 17181, 19007, 19090, 20610, 21068, 22908, 26335, 28635, 31602, 34362, 38014, 38180, 41220, 47403, 52670, 57021, 57270, 63204, 68724, 76028, 79005, 85905, 94806, 95035, 105340, 114042, 114540, 158010, 171063, 171810, 189612, 190070, 228084, 237015, 285105, 316020, 342126, 343620, 380140, 437161, 474030, 570210, 684252, 855315, 874322, 948060, 1140420, 1311483, 1710630, 1748644, 2185805, 2622966, 3421260, 3934449, 4371610, 5245932, 6557415, 7868898, 8743220, 13114830, 15737796, 19672245, 26229660, 39344490, 78688980]

約数ペア:

[(1, 78688980), (2, 39344490), (3, 26229660), (4, 19672245), (5, 15737796), (6, 13114830), (9, 8743220), (10, 7868898), (12, 6557415), (15, 5245932), (18, 4371610), (20, 3934449), (23, 3421260), (30, 2622966), (36, 2185805), (45, 1748644), (46, 1710630), (60, 1311483), (69, 1140420), (83, 948060), (90, 874322), (92, 855315), (115, 684252), (138, 570210), (166, 474030), (180, 437161), (207, 380140), (229, 343620), (230, 342126), (249, 316020), (276, 285105), (332, 237015), (345, 228084), (414, 190070), (415, 189612), (458, 171810), (460, 171063), (498, 158010), (687, 114540), (690, 114042), (747, 105340), (828, 95035), (830, 94806), (916, 85905), (996, 79005), (1035, 76028), (1145, 68724), (1245, 63204), (1374, 57270), (1380, 57021), (1494, 52670), (1660, 47403), (1909, 41220), (2061, 38180), (2070, 38014), (2290, 34362), (2490, 31602), (2748, 28635), (2988, 26335), (3435, 22908), (3735, 21068), (3818, 20610), (4122, 19090), (4140, 19007), (4580, 17181), (4980, 15801), (5267, 14940), (5727, 13740), (6870, 11454), (7470, 10534), (7636, 10305), (8244, 9545)]