521051940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1777}}^1$

素因数の和:1979

約数の個数: 120

約数和(自身を含む): 1644514872

約数和(自身を除く): 1123462932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 181, 270, 324, 362, 405, 540, 543, 724, 810, 905, 1086, 1620, 1629, 1777, 1810, 2172, 2715, 3258, 3554, 3620, 4887, 5331, 5430, 6516, 7108, 8145, 8885, 9774, 10662, 10860, 14661, 15993, 16290, 17770, 19548, 21324, 24435, 26655, 29322, 31986, 32580, 35540, 47979, 48870, 53310, 58644, 63972, 73305, 79965, 95958, 97740, 106620, 143937, 146610, 159930, 191916, 239895, 287874, 293220, 319860, 321637, 479790, 575748, 643274, 719685, 959580, 964911, 1286548, 1439370, 1608185, 1929822, 2878740, 2894733, 3216370, 3859644, 4824555, 5789466, 6432740, 8684199, 9649110, 11578932, 14473665, 17368398, 19298220, 26052597, 28947330, 34736796, 43420995, 52105194, 57894660, 86841990, 104210388, 130262985, 173683980, 260525970, 521051940]

約数ペア:

[(1, 521051940), (2, 260525970), (3, 173683980), (4, 130262985), (5, 104210388), (6, 86841990), (9, 57894660), (10, 52105194), (12, 43420995), (15, 34736796), (18, 28947330), (20, 26052597), (27, 19298220), (30, 17368398), (36, 14473665), (45, 11578932), (54, 9649110), (60, 8684199), (81, 6432740), (90, 5789466), (108, 4824555), (135, 3859644), (162, 3216370), (180, 2894733), (181, 2878740), (270, 1929822), (324, 1608185), (362, 1439370), (405, 1286548), (540, 964911), (543, 959580), (724, 719685), (810, 643274), (905, 575748), (1086, 479790), (1620, 321637), (1629, 319860), (1777, 293220), (1810, 287874), (2172, 239895), (2715, 191916), (3258, 159930), (3554, 146610), (3620, 143937), (4887, 106620), (5331, 97740), (5430, 95958), (6516, 79965), (7108, 73305), (8145, 63972), (8885, 58644), (9774, 53310), (10662, 48870), (10860, 47979), (14661, 35540), (15993, 32580), (16290, 31986), (17770, 29322), (19548, 26655), (21324, 24435)]