31855920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 107136000

約数和(自身を除く): 75280080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 40, 46, 48, 58, 60, 69, 80, 87, 92, 115, 116, 120, 138, 145, 174, 184, 199, 230, 232, 240, 276, 290, 345, 348, 368, 398, 435, 460, 464, 552, 580, 597, 667, 690, 696, 796, 870, 920, 995, 1104, 1160, 1194, 1334, 1380, 1392, 1592, 1740, 1840, 1990, 2001, 2320, 2388, 2668, 2760, 2985, 3184, 3335, 3480, 3980, 4002, 4577, 4776, 5336, 5520, 5771, 5970, 6670, 6960, 7960, 8004, 9154, 9552, 10005, 10672, 11542, 11940, 13340, 13731, 15920, 16008, 17313, 18308, 20010, 22885, 23084, 23880, 26680, 27462, 28855, 32016, 34626, 36616, 40020, 45770, 46168, 47760, 53360, 54924, 57710, 68655, 69252, 73232, 80040, 86565, 91540, 92336, 109848, 115420, 132733, 137310, 138504, 160080, 173130, 183080, 219696, 230840, 265466, 274620, 277008, 346260, 366160, 398199, 461680, 530932, 549240, 663665, 692520, 796398, 1061864, 1098480, 1327330, 1385040, 1592796, 1990995, 2123728, 2654660, 3185592, 3981990, 5309320, 6371184, 7963980, 10618640, 15927960, 31855920]

約数ペア:

[(1, 31855920), (2, 15927960), (3, 10618640), (4, 7963980), (5, 6371184), (6, 5309320), (8, 3981990), (10, 3185592), (12, 2654660), (15, 2123728), (16, 1990995), (20, 1592796), (23, 1385040), (24, 1327330), (29, 1098480), (30, 1061864), (40, 796398), (46, 692520), (48, 663665), (58, 549240), (60, 530932), (69, 461680), (80, 398199), (87, 366160), (92, 346260), (115, 277008), (116, 274620), (120, 265466), (138, 230840), (145, 219696), (174, 183080), (184, 173130), (199, 160080), (230, 138504), (232, 137310), (240, 132733), (276, 115420), (290, 109848), (345, 92336), (348, 91540), (368, 86565), (398, 80040), (435, 73232), (460, 69252), (464, 68655), (552, 57710), (580, 54924), (597, 53360), (667, 47760), (690, 46168), (696, 45770), (796, 40020), (870, 36616), (920, 34626), (995, 32016), (1104, 28855), (1160, 27462), (1194, 26680), (1334, 23880), (1380, 23084), (1392, 22885), (1592, 20010), (1740, 18308), (1840, 17313), (1990, 16008), (2001, 15920), (2320, 13731), (2388, 13340), (2668, 11940), (2760, 11542), (2985, 10672), (3184, 10005), (3335, 9552), (3480, 9154), (3980, 8004), (4002, 7960), (4577, 6960), (4776, 6670), (5336, 5970), (5520, 5771)]