309391920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:880

約数の個数: 160

約数和(自身を含む): 1072074240

約数和(自身を除く): 762682320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 227, 240, 270, 360, 432, 454, 540, 631, 681, 720, 908, 1080, 1135, 1262, 1362, 1816, 1893, 2043, 2160, 2270, 2524, 2724, 3155, 3405, 3632, 3786, 4086, 4540, 5048, 5448, 5679, 6129, 6310, 6810, 7572, 8172, 9080, 9465, 10096, 10215, 10896, 11358, 12258, 12620, 13620, 15144, 16344, 17037, 18160, 18930, 20430, 22716, 24516, 25240, 27240, 28395, 30288, 30645, 32688, 34074, 37860, 40860, 45432, 49032, 50480, 54480, 56790, 61290, 68148, 75720, 81720, 85185, 90864, 98064, 113580, 122580, 136296, 143237, 151440, 163440, 170370, 227160, 245160, 272592, 286474, 340740, 429711, 454320, 490320, 572948, 681480, 716185, 859422, 1145896, 1289133, 1362960, 1432370, 1718844, 2148555, 2291792, 2578266, 2864740, 3437688, 3867399, 4297110, 5156532, 5729480, 6445665, 6875376, 7734798, 8594220, 10313064, 11458960, 12891330, 15469596, 17188440, 19336995, 20626128, 25782660, 30939192, 34376880, 38673990, 51565320, 61878384, 77347980, 103130640, 154695960, 309391920]

約数ペア:

[(1, 309391920), (2, 154695960), (3, 103130640), (4, 77347980), (5, 61878384), (6, 51565320), (8, 38673990), (9, 34376880), (10, 30939192), (12, 25782660), (15, 20626128), (16, 19336995), (18, 17188440), (20, 15469596), (24, 12891330), (27, 11458960), (30, 10313064), (36, 8594220), (40, 7734798), (45, 6875376), (48, 6445665), (54, 5729480), (60, 5156532), (72, 4297110), (80, 3867399), (90, 3437688), (108, 2864740), (120, 2578266), (135, 2291792), (144, 2148555), (180, 1718844), (216, 1432370), (227, 1362960), (240, 1289133), (270, 1145896), (360, 859422), (432, 716185), (454, 681480), (540, 572948), (631, 490320), (681, 454320), (720, 429711), (908, 340740), (1080, 286474), (1135, 272592), (1262, 245160), (1362, 227160), (1816, 170370), (1893, 163440), (2043, 151440), (2160, 143237), (2270, 136296), (2524, 122580), (2724, 113580), (3155, 98064), (3405, 90864), (3632, 85185), (3786, 81720), (4086, 75720), (4540, 68148), (5048, 61290), (5448, 56790), (5679, 54480), (6129, 50480), (6310, 49032), (6810, 45432), (7572, 40860), (8172, 37860), (9080, 34074), (9465, 32688), (10096, 30645), (10215, 30288), (10896, 28395), (11358, 27240), (12258, 25240), (12620, 24516), (13620, 22716), (15144, 20430), (16344, 18930), (17037, 18160)]