1805079720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{2053}}^1$

素因数の和:2515

約数の個数: 128

約数和(自身を含む): 5749885440

約数和(自身を除く): 3944805720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 431, 510, 680, 862, 1020, 1293, 1724, 2040, 2053, 2155, 2586, 3448, 4106, 4310, 5172, 6159, 6465, 7327, 8212, 8620, 10265, 10344, 12318, 12930, 14654, 16424, 17240, 20530, 21981, 24636, 25860, 29308, 30795, 34901, 36635, 41060, 43962, 49272, 51720, 58616, 61590, 69802, 73270, 82120, 87924, 104703, 109905, 123180, 139604, 146540, 174505, 175848, 209406, 219810, 246360, 279208, 293080, 349010, 418812, 439620, 523515, 698020, 837624, 879240, 884843, 1047030, 1396040, 1769686, 2094060, 2654529, 3539372, 4188120, 4424215, 5309058, 7078744, 8848430, 10618116, 13272645, 15042331, 17696860, 21236232, 26545290, 30084662, 35393720, 45126993, 53090580, 60169324, 75211655, 90253986, 106181160, 120338648, 150423310, 180507972, 225634965, 300846620, 361015944, 451269930, 601693240, 902539860, 1805079720]

約数ペア:

[(1, 1805079720), (2, 902539860), (3, 601693240), (4, 451269930), (5, 361015944), (6, 300846620), (8, 225634965), (10, 180507972), (12, 150423310), (15, 120338648), (17, 106181160), (20, 90253986), (24, 75211655), (30, 60169324), (34, 53090580), (40, 45126993), (51, 35393720), (60, 30084662), (68, 26545290), (85, 21236232), (102, 17696860), (120, 15042331), (136, 13272645), (170, 10618116), (204, 8848430), (255, 7078744), (340, 5309058), (408, 4424215), (431, 4188120), (510, 3539372), (680, 2654529), (862, 2094060), (1020, 1769686), (1293, 1396040), (1724, 1047030), (2040, 884843), (2053, 879240), (2155, 837624), (2586, 698020), (3448, 523515), (4106, 439620), (4310, 418812), (5172, 349010), (6159, 293080), (6465, 279208), (7327, 246360), (8212, 219810), (8620, 209406), (10265, 175848), (10344, 174505), (12318, 146540), (12930, 139604), (14654, 123180), (16424, 109905), (17240, 104703), (20530, 87924), (21981, 82120), (24636, 73270), (25860, 69802), (29308, 61590), (30795, 58616), (34901, 51720), (36635, 49272), (41060, 43962)]