1257029120

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:660

約数の個数: 160

約数和(自身を含む): 3235560768

約数和(自身を除く): 1978531648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 92, 115, 128, 148, 160, 184, 185, 230, 256, 296, 320, 368, 370, 460, 512, 577, 592, 640, 736, 740, 851, 920, 1154, 1184, 1280, 1472, 1480, 1702, 1840, 2308, 2368, 2560, 2885, 2944, 2960, 3404, 3680, 4255, 4616, 4736, 5770, 5888, 5920, 6808, 7360, 8510, 9232, 9472, 11540, 11776, 11840, 13271, 13616, 14720, 17020, 18464, 18944, 21349, 23080, 23680, 26542, 27232, 29440, 34040, 36928, 42698, 46160, 47360, 53084, 54464, 58880, 66355, 68080, 73856, 85396, 92320, 94720, 106168, 106745, 108928, 132710, 136160, 147712, 170792, 184640, 212336, 213490, 217856, 265420, 272320, 295424, 341584, 369280, 424672, 426980, 435712, 491027, 530840, 544640, 683168, 738560, 849344, 853960, 982054, 1061680, 1089280, 1366336, 1477120, 1698688, 1707920, 1964108, 2123360, 2178560, 2455135, 2732672, 3397376, 3415840, 3928216, 4246720, 4910270, 5465344, 6794752, 6831680, 7856432, 8493440, 9820540, 10930688, 13663360, 15712864, 16986880, 19641080, 27326720, 31425728, 33973760, 39282160, 54653440, 62851456, 78564320, 125702912, 157128640, 251405824, 314257280, 628514560, 1257029120]

約数ペア:

[(1, 1257029120), (2, 628514560), (4, 314257280), (5, 251405824), (8, 157128640), (10, 125702912), (16, 78564320), (20, 62851456), (23, 54653440), (32, 39282160), (37, 33973760), (40, 31425728), (46, 27326720), (64, 19641080), (74, 16986880), (80, 15712864), (92, 13663360), (115, 10930688), (128, 9820540), (148, 8493440), (160, 7856432), (184, 6831680), (185, 6794752), (230, 5465344), (256, 4910270), (296, 4246720), (320, 3928216), (368, 3415840), (370, 3397376), (460, 2732672), (512, 2455135), (577, 2178560), (592, 2123360), (640, 1964108), (736, 1707920), (740, 1698688), (851, 1477120), (920, 1366336), (1154, 1089280), (1184, 1061680), (1280, 982054), (1472, 853960), (1480, 849344), (1702, 738560), (1840, 683168), (2308, 544640), (2368, 530840), (2560, 491027), (2885, 435712), (2944, 426980), (2960, 424672), (3404, 369280), (3680, 341584), (4255, 295424), (4616, 272320), (4736, 265420), (5770, 217856), (5888, 213490), (5920, 212336), (6808, 184640), (7360, 170792), (8510, 147712), (9232, 136160), (9472, 132710), (11540, 108928), (11776, 106745), (11840, 106168), (13271, 94720), (13616, 92320), (14720, 85396), (17020, 73856), (18464, 68080), (18944, 66355), (21349, 58880), (23080, 54464), (23680, 53084), (26542, 47360), (27232, 46160), (29440, 42698), (34040, 36928)]