205146720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1437

約数の個数: 144

約数和(自身を含む): 707026320

約数和(自身を除く): 501879600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 545, 654, 720, 872, 981, 1090, 1307, 1308, 1440, 1635, 1744, 1962, 2180, 2614, 2616, 3270, 3488, 3921, 3924, 4360, 4905, 5228, 5232, 6535, 6540, 7842, 7848, 8720, 9810, 10456, 10464, 11763, 13070, 13080, 15684, 15696, 17440, 19605, 19620, 20912, 23526, 26140, 26160, 31368, 31392, 39210, 39240, 41824, 47052, 52280, 52320, 58815, 62736, 78420, 78480, 94104, 104560, 117630, 125472, 142463, 156840, 156960, 188208, 209120, 235260, 284926, 313680, 376416, 427389, 470520, 569852, 627360, 712315, 854778, 941040, 1139704, 1282167, 1424630, 1709556, 1882080, 2136945, 2279408, 2564334, 2849260, 3419112, 4273890, 4558816, 5128668, 5698520, 6410835, 6838224, 8547780, 10257336, 11397040, 12821670, 13676448, 17095560, 20514672, 22794080, 25643340, 34191120, 41029344, 51286680, 68382240, 102573360, 205146720]

約数ペア:

[(1, 205146720), (2, 102573360), (3, 68382240), (4, 51286680), (5, 41029344), (6, 34191120), (8, 25643340), (9, 22794080), (10, 20514672), (12, 17095560), (15, 13676448), (16, 12821670), (18, 11397040), (20, 10257336), (24, 8547780), (30, 6838224), (32, 6410835), (36, 5698520), (40, 5128668), (45, 4558816), (48, 4273890), (60, 3419112), (72, 2849260), (80, 2564334), (90, 2279408), (96, 2136945), (109, 1882080), (120, 1709556), (144, 1424630), (160, 1282167), (180, 1139704), (218, 941040), (240, 854778), (288, 712315), (327, 627360), (360, 569852), (436, 470520), (480, 427389), (545, 376416), (654, 313680), (720, 284926), (872, 235260), (981, 209120), (1090, 188208), (1307, 156960), (1308, 156840), (1440, 142463), (1635, 125472), (1744, 117630), (1962, 104560), (2180, 94104), (2614, 78480), (2616, 78420), (3270, 62736), (3488, 58815), (3921, 52320), (3924, 52280), (4360, 47052), (4905, 41824), (5228, 39240), (5232, 39210), (6535, 31392), (6540, 31368), (7842, 26160), (7848, 26140), (8720, 23526), (9810, 20912), (10456, 19620), (10464, 19605), (11763, 17440), (13070, 15696), (13080, 15684)]