205121130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 537477120

約数和(自身を除く): 332355990

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 53, 69, 71, 79, 106, 115, 138, 142, 158, 159, 213, 230, 237, 265, 318, 345, 355, 395, 426, 474, 530, 690, 710, 790, 795, 1065, 1185, 1219, 1590, 1633, 1817, 2130, 2370, 2438, 3266, 3634, 3657, 3763, 4187, 4899, 5451, 5609, 6095, 7314, 7526, 8165, 8374, 9085, 9798, 10902, 11218, 11289, 12190, 12561, 16330, 16827, 18170, 18285, 18815, 20935, 22578, 24495, 25122, 27255, 28045, 33654, 36570, 37630, 41870, 48990, 54510, 56090, 56445, 62805, 84135, 86549, 96301, 112890, 125610, 129007, 168270, 173098, 192602, 258014, 259647, 288903, 297277, 387021, 432745, 481505, 519294, 577806, 594554, 645035, 774042, 865490, 891831, 963010, 1290070, 1298235, 1444515, 1486385, 1783662, 1935105, 2596470, 2889030, 2972770, 3870210, 4459155, 6837371, 8918310, 13674742, 20512113, 34186855, 41024226, 68373710, 102560565, 205121130]

約数ペア:

[(1, 205121130), (2, 102560565), (3, 68373710), (5, 41024226), (6, 34186855), (10, 20512113), (15, 13674742), (23, 8918310), (30, 6837371), (46, 4459155), (53, 3870210), (69, 2972770), (71, 2889030), (79, 2596470), (106, 1935105), (115, 1783662), (138, 1486385), (142, 1444515), (158, 1298235), (159, 1290070), (213, 963010), (230, 891831), (237, 865490), (265, 774042), (318, 645035), (345, 594554), (355, 577806), (395, 519294), (426, 481505), (474, 432745), (530, 387021), (690, 297277), (710, 288903), (790, 259647), (795, 258014), (1065, 192602), (1185, 173098), (1219, 168270), (1590, 129007), (1633, 125610), (1817, 112890), (2130, 96301), (2370, 86549), (2438, 84135), (3266, 62805), (3634, 56445), (3657, 56090), (3763, 54510), (4187, 48990), (4899, 41870), (5451, 37630), (5609, 36570), (6095, 33654), (7314, 28045), (7526, 27255), (8165, 25122), (8374, 24495), (9085, 22578), (9798, 20935), (10902, 18815), (11218, 18285), (11289, 18170), (12190, 16827), (12561, 16330)]