81864360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9887}}^1$

素因数の和:9927

約数の個数: 96

約数和(自身を含む): 277655040

約数和(自身を除く): 195790680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 9887, 19774, 29661, 39548, 49435, 59322, 79096, 88983, 98870, 118644, 148305, 177966, 197740, 227401, 237288, 296610, 355932, 395480, 444915, 454802, 593220, 682203, 711864, 889830, 909604, 1137005, 1186440, 1364406, 1779660, 1819208, 2046609, 2274010, 2728812, 3411015, 3559320, 4093218, 4548020, 5457624, 6822030, 8186436, 9096040, 10233045, 13644060, 16372872, 20466090, 27288120, 40932180, 81864360]

約数ペア:

[(1, 81864360), (2, 40932180), (3, 27288120), (4, 20466090), (5, 16372872), (6, 13644060), (8, 10233045), (9, 9096040), (10, 8186436), (12, 6822030), (15, 5457624), (18, 4548020), (20, 4093218), (23, 3559320), (24, 3411015), (30, 2728812), (36, 2274010), (40, 2046609), (45, 1819208), (46, 1779660), (60, 1364406), (69, 1186440), (72, 1137005), (90, 909604), (92, 889830), (115, 711864), (120, 682203), (138, 593220), (180, 454802), (184, 444915), (207, 395480), (230, 355932), (276, 296610), (345, 237288), (360, 227401), (414, 197740), (460, 177966), (552, 148305), (690, 118644), (828, 98870), (920, 88983), (1035, 79096), (1380, 59322), (1656, 49435), (2070, 39548), (2760, 29661), (4140, 19774), (8280, 9887)]