620778825

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 1144391040

約数和(自身を除く): 523612215

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 101, 177, 225, 295, 303, 463, 505, 531, 885, 909, 1389, 1475, 1515, 2315, 2525, 2655, 4167, 4425, 4545, 5959, 6945, 7575, 11575, 13275, 17877, 20835, 22725, 27317, 29795, 34725, 46763, 53631, 81951, 89385, 104175, 136585, 140289, 148975, 233815, 245853, 268155, 409755, 420867, 446925, 682925, 701445, 1169075, 1229265, 1340775, 2048775, 2104335, 2759017, 3507225, 6146325, 8277051, 10521675, 13795085, 24831153, 41385255, 68975425, 124155765, 206926275, 620778825]

約数ペア:

[(1, 620778825), (3, 206926275), (5, 124155765), (9, 68975425), (15, 41385255), (25, 24831153), (45, 13795085), (59, 10521675), (75, 8277051), (101, 6146325), (177, 3507225), (225, 2759017), (295, 2104335), (303, 2048775), (463, 1340775), (505, 1229265), (531, 1169075), (885, 701445), (909, 682925), (1389, 446925), (1475, 420867), (1515, 409755), (2315, 268155), (2525, 245853), (2655, 233815), (4167, 148975), (4425, 140289), (4545, 136585), (5959, 104175), (6945, 89385), (7575, 81951), (11575, 53631), (13275, 46763), (17877, 34725), (20835, 29795), (22725, 27317)]