268889320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1055

約数の個数: 128

約数和(自身を含む): 739031040

約数和(自身を除く): 470141720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 115, 140, 161, 172, 184, 215, 230, 280, 301, 322, 344, 430, 460, 602, 644, 805, 860, 920, 971, 989, 1204, 1288, 1505, 1610, 1720, 1942, 1978, 2408, 3010, 3220, 3884, 3956, 4855, 4945, 6020, 6440, 6797, 6923, 7768, 7912, 9710, 9890, 12040, 13594, 13846, 19420, 19780, 22333, 27188, 27692, 33985, 34615, 38840, 39560, 41753, 44666, 54376, 55384, 67970, 69230, 83506, 89332, 111665, 135940, 138460, 156331, 167012, 178664, 208765, 223330, 271880, 276920, 292271, 312662, 334024, 417530, 446660, 584542, 625324, 781655, 835060, 893320, 960319, 1169084, 1250648, 1461355, 1563310, 1670120, 1920638, 2338168, 2922710, 3126620, 3841276, 4801595, 5845420, 6253240, 6722233, 7682552, 9603190, 11690840, 13444466, 19206380, 26888932, 33611165, 38412760, 53777864, 67222330, 134444660, 268889320]

約数ペア:

[(1, 268889320), (2, 134444660), (4, 67222330), (5, 53777864), (7, 38412760), (8, 33611165), (10, 26888932), (14, 19206380), (20, 13444466), (23, 11690840), (28, 9603190), (35, 7682552), (40, 6722233), (43, 6253240), (46, 5845420), (56, 4801595), (70, 3841276), (86, 3126620), (92, 2922710), (115, 2338168), (140, 1920638), (161, 1670120), (172, 1563310), (184, 1461355), (215, 1250648), (230, 1169084), (280, 960319), (301, 893320), (322, 835060), (344, 781655), (430, 625324), (460, 584542), (602, 446660), (644, 417530), (805, 334024), (860, 312662), (920, 292271), (971, 276920), (989, 271880), (1204, 223330), (1288, 208765), (1505, 178664), (1610, 167012), (1720, 156331), (1942, 138460), (1978, 135940), (2408, 111665), (3010, 89332), (3220, 83506), (3884, 69230), (3956, 67970), (4855, 55384), (4945, 54376), (6020, 44666), (6440, 41753), (6797, 39560), (6923, 38840), (7768, 34615), (7912, 33985), (9710, 27692), (9890, 27188), (12040, 22333), (13594, 19780), (13846, 19420)]