128928240

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{8527}}^1$

素因数の和:8556

約数の個数: 160

約数和(自身を含む): 507586560

約数和(自身を除く): 378658320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 8527, 15120, 17054, 25581, 34108, 42635, 51162, 59689, 68216, 76743, 85270, 102324, 119378, 127905, 136432, 153486, 170540, 179067, 204648, 230229, 238756, 255810, 298445, 306972, 341080, 358134, 383715, 409296, 460458, 477512, 511620, 537201, 596890, 613944, 682160, 716268, 767430, 895335, 920916, 955024, 1023240, 1074402, 1151145, 1193780, 1227888, 1432536, 1534860, 1611603, 1790670, 1841832, 2046480, 2148804, 2302290, 2387560, 2686005, 2865072, 3069720, 3223206, 3581340, 3683664, 4297608, 4604580, 4775120, 5372010, 6139440, 6446412, 7162680, 8058015, 8595216, 9209160, 10744020, 12892824, 14325360, 16116030, 18418320, 21488040, 25785648, 32232060, 42976080, 64464120, 128928240]

約数ペア:

[(1, 128928240), (2, 64464120), (3, 42976080), (4, 32232060), (5, 25785648), (6, 21488040), (7, 18418320), (8, 16116030), (9, 14325360), (10, 12892824), (12, 10744020), (14, 9209160), (15, 8595216), (16, 8058015), (18, 7162680), (20, 6446412), (21, 6139440), (24, 5372010), (27, 4775120), (28, 4604580), (30, 4297608), (35, 3683664), (36, 3581340), (40, 3223206), (42, 3069720), (45, 2865072), (48, 2686005), (54, 2387560), (56, 2302290), (60, 2148804), (63, 2046480), (70, 1841832), (72, 1790670), (80, 1611603), (84, 1534860), (90, 1432536), (105, 1227888), (108, 1193780), (112, 1151145), (120, 1074402), (126, 1023240), (135, 955024), (140, 920916), (144, 895335), (168, 767430), (180, 716268), (189, 682160), (210, 613944), (216, 596890), (240, 537201), (252, 511620), (270, 477512), (280, 460458), (315, 409296), (336, 383715), (360, 358134), (378, 341080), (420, 306972), (432, 298445), (504, 255810), (540, 238756), (560, 230229), (630, 204648), (720, 179067), (756, 170540), (840, 153486), (945, 136432), (1008, 127905), (1080, 119378), (1260, 102324), (1512, 85270), (1680, 76743), (1890, 68216), (2160, 59689), (2520, 51162), (3024, 42635), (3780, 34108), (5040, 25581), (7560, 17054), (8527, 15120)]