1221120

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{53}}^1$

素因数の和:82

約数の個数: 120

約数和(自身を含む): 4308876

約数和(自身を除く): 3087756

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 256, 265, 288, 318, 320, 360, 384, 424, 477, 480, 512, 530, 576, 636, 640, 720, 768, 795, 848, 954, 960, 1060, 1152, 1272, 1280, 1440, 1536, 1590, 1696, 1908, 1920, 2120, 2304, 2385, 2544, 2560, 2880, 3180, 3392, 3816, 3840, 4240, 4608, 4770, 5088, 5760, 6360, 6784, 7632, 7680, 8480, 9540, 10176, 11520, 12720, 13568, 15264, 16960, 19080, 20352, 23040, 25440, 27136, 30528, 33920, 38160, 40704, 50880, 61056, 67840, 76320, 81408, 101760, 122112, 135680, 152640, 203520, 244224, 305280, 407040, 610560, 1221120]

約数ペア:

[(1, 1221120), (2, 610560), (3, 407040), (4, 305280), (5, 244224), (6, 203520), (8, 152640), (9, 135680), (10, 122112), (12, 101760), (15, 81408), (16, 76320), (18, 67840), (20, 61056), (24, 50880), (30, 40704), (32, 38160), (36, 33920), (40, 30528), (45, 27136), (48, 25440), (53, 23040), (60, 20352), (64, 19080), (72, 16960), (80, 15264), (90, 13568), (96, 12720), (106, 11520), (120, 10176), (128, 9540), (144, 8480), (159, 7680), (160, 7632), (180, 6784), (192, 6360), (212, 5760), (240, 5088), (256, 4770), (265, 4608), (288, 4240), (318, 3840), (320, 3816), (360, 3392), (384, 3180), (424, 2880), (477, 2560), (480, 2544), (512, 2385), (530, 2304), (576, 2120), (636, 1920), (640, 1908), (720, 1696), (768, 1590), (795, 1536), (848, 1440), (954, 1280), (960, 1272), (1060, 1152)]