318776220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{587}}^1$

素因数の和:1040

約数の個数: 144

約数和(自身を含む): 1109541888

約数和(自身を除く): 790765668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 431, 587, 630, 862, 1174, 1260, 1293, 1724, 1761, 2155, 2348, 2586, 2935, 3017, 3522, 3879, 4109, 4310, 5172, 5283, 5870, 6034, 6465, 7044, 7758, 8218, 8620, 8805, 9051, 10566, 11740, 12068, 12327, 12930, 15085, 15516, 16436, 17610, 18102, 19395, 20545, 21132, 24654, 25860, 26415, 27153, 30170, 35220, 36204, 36981, 38790, 41090, 45255, 49308, 52830, 54306, 60340, 61635, 73962, 77580, 82180, 90510, 105660, 108612, 123270, 135765, 147924, 181020, 184905, 246540, 252997, 271530, 369810, 505994, 543060, 739620, 758991, 1011988, 1264985, 1517982, 1770979, 2276973, 2529970, 3035964, 3541958, 3794955, 4553946, 5059940, 5312937, 7083916, 7589910, 8854895, 9107892, 10625874, 11384865, 15179820, 15938811, 17709790, 21251748, 22769730, 26564685, 31877622, 35419580, 45539460, 53129370, 63755244, 79694055, 106258740, 159388110, 318776220]

約数ペア:

[(1, 318776220), (2, 159388110), (3, 106258740), (4, 79694055), (5, 63755244), (6, 53129370), (7, 45539460), (9, 35419580), (10, 31877622), (12, 26564685), (14, 22769730), (15, 21251748), (18, 17709790), (20, 15938811), (21, 15179820), (28, 11384865), (30, 10625874), (35, 9107892), (36, 8854895), (42, 7589910), (45, 7083916), (60, 5312937), (63, 5059940), (70, 4553946), (84, 3794955), (90, 3541958), (105, 3035964), (126, 2529970), (140, 2276973), (180, 1770979), (210, 1517982), (252, 1264985), (315, 1011988), (420, 758991), (431, 739620), (587, 543060), (630, 505994), (862, 369810), (1174, 271530), (1260, 252997), (1293, 246540), (1724, 184905), (1761, 181020), (2155, 147924), (2348, 135765), (2586, 123270), (2935, 108612), (3017, 105660), (3522, 90510), (3879, 82180), (4109, 77580), (4310, 73962), (5172, 61635), (5283, 60340), (5870, 54306), (6034, 52830), (6465, 49308), (7044, 45255), (7758, 41090), (8218, 38790), (8620, 36981), (8805, 36204), (9051, 35220), (10566, 30170), (11740, 27153), (12068, 26415), (12327, 25860), (12930, 24654), (15085, 21132), (15516, 20545), (16436, 19395), (17610, 18102)]