999875880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1223}}^1$

素因数の和:2000

約数の個数: 128

約数和(自身を含む): 3340051200

約数和(自身を除く): 2340175320

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, 216, 270, 360, 540, 757, 1080, 1223, 1514, 2271, 2446, 3028, 3669, 3785, 4542, 4892, 6056, 6115, 6813, 7338, 7570, 9084, 9784, 11007, 11355, 12230, 13626, 14676, 15140, 18168, 18345, 20439, 22014, 22710, 24460, 27252, 29352, 30280, 33021, 34065, 36690, 40878, 44028, 45420, 48920, 54504, 55035, 66042, 68130, 73380, 81756, 88056, 90840, 102195, 110070, 132084, 136260, 146760, 163512, 165105, 204390, 220140, 264168, 272520, 330210, 408780, 440280, 660420, 817560, 925811, 1320840, 1851622, 2777433, 3703244, 4629055, 5554866, 7406488, 8332299, 9258110, 11109732, 13887165, 16664598, 18516220, 22219464, 24996897, 27774330, 33329196, 37032440, 41661495, 49993794, 55548660, 66658392, 83322990, 99987588, 111097320, 124984485, 166645980, 199975176, 249968970, 333291960, 499937940, 999875880]

約数ペア:

[(1, 999875880), (2, 499937940), (3, 333291960), (4, 249968970), (5, 199975176), (6, 166645980), (8, 124984485), (9, 111097320), (10, 99987588), (12, 83322990), (15, 66658392), (18, 55548660), (20, 49993794), (24, 41661495), (27, 37032440), (30, 33329196), (36, 27774330), (40, 24996897), (45, 22219464), (54, 18516220), (60, 16664598), (72, 13887165), (90, 11109732), (108, 9258110), (120, 8332299), (135, 7406488), (180, 5554866), (216, 4629055), (270, 3703244), (360, 2777433), (540, 1851622), (757, 1320840), (1080, 925811), (1223, 817560), (1514, 660420), (2271, 440280), (2446, 408780), (3028, 330210), (3669, 272520), (3785, 264168), (4542, 220140), (4892, 204390), (6056, 165105), (6115, 163512), (6813, 146760), (7338, 136260), (7570, 132084), (9084, 110070), (9784, 102195), (11007, 90840), (11355, 88056), (12230, 81756), (13626, 73380), (14676, 68130), (15140, 66042), (18168, 55035), (18345, 54504), (20439, 48920), (22014, 45420), (22710, 44028), (24460, 40878), (27252, 36690), (29352, 34065), (30280, 33021)]