64703880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:532

約数の個数: 128

約数和(自身を含む): 217526400

約数和(自身を除く): 152822520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 181, 216, 270, 331, 360, 362, 540, 543, 662, 724, 905, 993, 1080, 1086, 1324, 1448, 1629, 1655, 1810, 1986, 2172, 2648, 2715, 2979, 3258, 3310, 3620, 3972, 4344, 4887, 4965, 5430, 5958, 6516, 6620, 7240, 7944, 8145, 8937, 9774, 9930, 10860, 11916, 13032, 13240, 14895, 16290, 17874, 19548, 19860, 21720, 23832, 24435, 29790, 32580, 35748, 39096, 39720, 44685, 48870, 59580, 59911, 65160, 71496, 89370, 97740, 119160, 119822, 178740, 179733, 195480, 239644, 299555, 357480, 359466, 479288, 539199, 599110, 718932, 898665, 1078398, 1198220, 1437864, 1617597, 1797330, 2156796, 2396440, 2695995, 3235194, 3594660, 4313592, 5391990, 6470388, 7189320, 8087985, 10783980, 12940776, 16175970, 21567960, 32351940, 64703880]

約数ペア:

[(1, 64703880), (2, 32351940), (3, 21567960), (4, 16175970), (5, 12940776), (6, 10783980), (8, 8087985), (9, 7189320), (10, 6470388), (12, 5391990), (15, 4313592), (18, 3594660), (20, 3235194), (24, 2695995), (27, 2396440), (30, 2156796), (36, 1797330), (40, 1617597), (45, 1437864), (54, 1198220), (60, 1078398), (72, 898665), (90, 718932), (108, 599110), (120, 539199), (135, 479288), (180, 359466), (181, 357480), (216, 299555), (270, 239644), (331, 195480), (360, 179733), (362, 178740), (540, 119822), (543, 119160), (662, 97740), (724, 89370), (905, 71496), (993, 65160), (1080, 59911), (1086, 59580), (1324, 48870), (1448, 44685), (1629, 39720), (1655, 39096), (1810, 35748), (1986, 32580), (2172, 29790), (2648, 24435), (2715, 23832), (2979, 21720), (3258, 19860), (3310, 19548), (3620, 17874), (3972, 16290), (4344, 14895), (4887, 13240), (4965, 13032), (5430, 11916), (5958, 10860), (6516, 9930), (6620, 9774), (7240, 8937), (7944, 8145)]