315400680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{487}}^1$

素因数の和:768

約数の個数: 192

約数和(自身を含む): 1178461440

約数和(自身を除く): 863060760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 257, 280, 315, 360, 420, 487, 504, 514, 630, 771, 840, 974, 1028, 1260, 1285, 1461, 1542, 1799, 1948, 2056, 2313, 2435, 2520, 2570, 2922, 3084, 3409, 3598, 3855, 3896, 4383, 4626, 4870, 5140, 5397, 5844, 6168, 6818, 7196, 7305, 7710, 8766, 8995, 9252, 9740, 10227, 10280, 10794, 11565, 11688, 13636, 14392, 14610, 15420, 16191, 17045, 17532, 17990, 18504, 19480, 20454, 21588, 21915, 23130, 26985, 27272, 29220, 30681, 30840, 32382, 34090, 35064, 35980, 40908, 43176, 43830, 46260, 51135, 53970, 58440, 61362, 64764, 68180, 71960, 80955, 81816, 87660, 92520, 102270, 107940, 122724, 125159, 129528, 136360, 153405, 161910, 175320, 204540, 215880, 245448, 250318, 306810, 323820, 375477, 409080, 500636, 613620, 625795, 647640, 750954, 876113, 1001272, 1126431, 1227240, 1251590, 1501908, 1752226, 1877385, 2252862, 2503180, 2628339, 3003816, 3504452, 3754770, 4380565, 4505724, 5006360, 5256678, 5632155, 7008904, 7509540, 7885017, 8761130, 9011448, 10513356, 11264310, 13141695, 15019080, 15770034, 17522260, 21026712, 22528620, 26283390, 31540068, 35044520, 39425085, 45057240, 52566780, 63080136, 78850170, 105133560, 157700340, 315400680]

約数ペア:

[(1, 315400680), (2, 157700340), (3, 105133560), (4, 78850170), (5, 63080136), (6, 52566780), (7, 45057240), (8, 39425085), (9, 35044520), (10, 31540068), (12, 26283390), (14, 22528620), (15, 21026712), (18, 17522260), (20, 15770034), (21, 15019080), (24, 13141695), (28, 11264310), (30, 10513356), (35, 9011448), (36, 8761130), (40, 7885017), (42, 7509540), (45, 7008904), (56, 5632155), (60, 5256678), (63, 5006360), (70, 4505724), (72, 4380565), (84, 3754770), (90, 3504452), (105, 3003816), (120, 2628339), (126, 2503180), (140, 2252862), (168, 1877385), (180, 1752226), (210, 1501908), (252, 1251590), (257, 1227240), (280, 1126431), (315, 1001272), (360, 876113), (420, 750954), (487, 647640), (504, 625795), (514, 613620), (630, 500636), (771, 409080), (840, 375477), (974, 323820), (1028, 306810), (1260, 250318), (1285, 245448), (1461, 215880), (1542, 204540), (1799, 175320), (1948, 161910), (2056, 153405), (2313, 136360), (2435, 129528), (2520, 125159), (2570, 122724), (2922, 107940), (3084, 102270), (3409, 92520), (3598, 87660), (3855, 81816), (3896, 80955), (4383, 71960), (4626, 68180), (4870, 64764), (5140, 61362), (5397, 58440), (5844, 53970), (6168, 51135), (6818, 46260), (7196, 43830), (7305, 43176), (7710, 40908), (8766, 35980), (8995, 35064), (9252, 34090), (9740, 32382), (10227, 30840), (10280, 30681), (10794, 29220), (11565, 27272), (11688, 26985), (13636, 23130), (14392, 21915), (14610, 21588), (15420, 20454), (16191, 19480), (17045, 18504), (17532, 17990)]