65018240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 185656320

約数和(自身を除く): 120638080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 631, 640, 644, 736, 805, 896, 920, 1120, 1262, 1288, 1472, 1610, 1840, 2240, 2524, 2576, 2944, 3155, 3220, 3680, 4417, 4480, 5048, 5152, 6310, 6440, 7360, 8834, 10096, 10304, 12620, 12880, 14513, 14720, 17668, 20192, 20608, 22085, 25240, 25760, 29026, 35336, 40384, 44170, 50480, 51520, 58052, 70672, 72565, 80768, 88340, 100960, 101591, 103040, 116104, 141344, 145130, 176680, 201920, 203182, 232208, 282688, 290260, 353360, 403840, 406364, 464416, 507955, 565376, 580520, 706720, 812728, 928832, 1015910, 1161040, 1413440, 1625456, 1857664, 2031820, 2322080, 2826880, 3250912, 4063640, 4644160, 6501824, 8127280, 9288320, 13003648, 16254560, 32509120, 65018240]

約数ペア:

[(1, 65018240), (2, 32509120), (4, 16254560), (5, 13003648), (7, 9288320), (8, 8127280), (10, 6501824), (14, 4644160), (16, 4063640), (20, 3250912), (23, 2826880), (28, 2322080), (32, 2031820), (35, 1857664), (40, 1625456), (46, 1413440), (56, 1161040), (64, 1015910), (70, 928832), (80, 812728), (92, 706720), (112, 580520), (115, 565376), (128, 507955), (140, 464416), (160, 406364), (161, 403840), (184, 353360), (224, 290260), (230, 282688), (280, 232208), (320, 203182), (322, 201920), (368, 176680), (448, 145130), (460, 141344), (560, 116104), (631, 103040), (640, 101591), (644, 100960), (736, 88340), (805, 80768), (896, 72565), (920, 70672), (1120, 58052), (1262, 51520), (1288, 50480), (1472, 44170), (1610, 40384), (1840, 35336), (2240, 29026), (2524, 25760), (2576, 25240), (2944, 22085), (3155, 20608), (3220, 20192), (3680, 17668), (4417, 14720), (4480, 14513), (5048, 12880), (5152, 12620), (6310, 10304), (6440, 10096), (7360, 8834)]