638419920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{3163}}^1$

素因数の和:3237

約数の個数: 120

約数和(自身を含む): 2050347936

約数和(自身を除く): 1411928016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 841, 870, 1160, 1392, 1682, 1740, 2320, 2523, 3163, 3364, 3480, 4205, 5046, 6326, 6728, 6960, 8410, 9489, 10092, 12615, 12652, 13456, 15815, 16820, 18978, 20184, 25230, 25304, 31630, 33640, 37956, 40368, 47445, 50460, 50608, 63260, 67280, 75912, 91727, 94890, 100920, 126520, 151824, 183454, 189780, 201840, 253040, 275181, 366908, 379560, 458635, 550362, 733816, 759120, 917270, 1100724, 1375905, 1467632, 1834540, 2201448, 2660083, 2751810, 3669080, 4402896, 5320166, 5503620, 7338160, 7980249, 10640332, 11007240, 13300415, 15960498, 21280664, 22014480, 26600830, 31920996, 39901245, 42561328, 53201660, 63841992, 79802490, 106403320, 127683984, 159604980, 212806640, 319209960, 638419920]

約数ペア:

[(1, 638419920), (2, 319209960), (3, 212806640), (4, 159604980), (5, 127683984), (6, 106403320), (8, 79802490), (10, 63841992), (12, 53201660), (15, 42561328), (16, 39901245), (20, 31920996), (24, 26600830), (29, 22014480), (30, 21280664), (40, 15960498), (48, 13300415), (58, 11007240), (60, 10640332), (80, 7980249), (87, 7338160), (116, 5503620), (120, 5320166), (145, 4402896), (174, 3669080), (232, 2751810), (240, 2660083), (290, 2201448), (348, 1834540), (435, 1467632), (464, 1375905), (580, 1100724), (696, 917270), (841, 759120), (870, 733816), (1160, 550362), (1392, 458635), (1682, 379560), (1740, 366908), (2320, 275181), (2523, 253040), (3163, 201840), (3364, 189780), (3480, 183454), (4205, 151824), (5046, 126520), (6326, 100920), (6728, 94890), (6960, 91727), (8410, 75912), (9489, 67280), (10092, 63260), (12615, 50608), (12652, 50460), (13456, 47445), (15815, 40368), (16820, 37956), (18978, 33640), (20184, 31630), (25230, 25304)]