12721500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:293

約数の個数: 144

約数和(自身を含む): 43950816

約数和(自身を除く): 31229316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 125, 132, 150, 165, 180, 198, 220, 225, 250, 257, 275, 300, 330, 375, 396, 450, 495, 500, 514, 550, 660, 750, 771, 825, 900, 990, 1028, 1100, 1125, 1285, 1375, 1500, 1542, 1650, 1980, 2250, 2313, 2475, 2570, 2750, 2827, 3084, 3300, 3855, 4125, 4500, 4626, 4950, 5140, 5500, 5654, 6425, 7710, 8250, 8481, 9252, 9900, 11308, 11565, 12375, 12850, 14135, 15420, 16500, 16962, 19275, 23130, 24750, 25443, 25700, 28270, 32125, 33924, 38550, 42405, 46260, 49500, 50886, 56540, 57825, 64250, 70675, 77100, 84810, 96375, 101772, 115650, 127215, 128500, 141350, 169620, 192750, 212025, 231300, 254430, 282700, 289125, 353375, 385500, 424050, 508860, 578250, 636075, 706750, 848100, 1060125, 1156500, 1272150, 1413500, 2120250, 2544300, 3180375, 4240500, 6360750, 12721500]

約数ペア:

[(1, 12721500), (2, 6360750), (3, 4240500), (4, 3180375), (5, 2544300), (6, 2120250), (9, 1413500), (10, 1272150), (11, 1156500), (12, 1060125), (15, 848100), (18, 706750), (20, 636075), (22, 578250), (25, 508860), (30, 424050), (33, 385500), (36, 353375), (44, 289125), (45, 282700), (50, 254430), (55, 231300), (60, 212025), (66, 192750), (75, 169620), (90, 141350), (99, 128500), (100, 127215), (110, 115650), (125, 101772), (132, 96375), (150, 84810), (165, 77100), (180, 70675), (198, 64250), (220, 57825), (225, 56540), (250, 50886), (257, 49500), (275, 46260), (300, 42405), (330, 38550), (375, 33924), (396, 32125), (450, 28270), (495, 25700), (500, 25443), (514, 24750), (550, 23130), (660, 19275), (750, 16962), (771, 16500), (825, 15420), (900, 14135), (990, 12850), (1028, 12375), (1100, 11565), (1125, 11308), (1285, 9900), (1375, 9252), (1500, 8481), (1542, 8250), (1650, 7710), (1980, 6425), (2250, 5654), (2313, 5500), (2475, 5140), (2570, 4950), (2750, 4626), (2827, 4500), (3084, 4125), (3300, 3855)]