990699240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{11579}}^1$

素因数の和:11647

約数の個数: 128

約数和(自身を含む): 3201638400

約数和(自身を除く): 2210939160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2760, 2852, 3565, 3720, 4278, 5704, 7130, 8556, 10695, 11579, 14260, 17112, 21390, 23158, 28520, 34737, 42780, 46316, 57895, 69474, 85560, 92632, 115790, 138948, 173685, 231580, 266317, 277896, 347370, 358949, 463160, 532634, 694740, 717898, 798951, 1065268, 1076847, 1331585, 1389480, 1435796, 1597902, 1794745, 2130536, 2153694, 2663170, 2871592, 3195804, 3589490, 3994755, 4307388, 5326340, 5384235, 6391608, 7178980, 7989510, 8255827, 8614776, 10652680, 10768470, 14357960, 15979020, 16511654, 21536940, 24767481, 31958040, 33023308, 41279135, 43073880, 49534962, 66046616, 82558270, 99069924, 123837405, 165116540, 198139848, 247674810, 330233080, 495349620, 990699240]

約数ペア:

[(1, 990699240), (2, 495349620), (3, 330233080), (4, 247674810), (5, 198139848), (6, 165116540), (8, 123837405), (10, 99069924), (12, 82558270), (15, 66046616), (20, 49534962), (23, 43073880), (24, 41279135), (30, 33023308), (31, 31958040), (40, 24767481), (46, 21536940), (60, 16511654), (62, 15979020), (69, 14357960), (92, 10768470), (93, 10652680), (115, 8614776), (120, 8255827), (124, 7989510), (138, 7178980), (155, 6391608), (184, 5384235), (186, 5326340), (230, 4307388), (248, 3994755), (276, 3589490), (310, 3195804), (345, 2871592), (372, 2663170), (460, 2153694), (465, 2130536), (552, 1794745), (620, 1597902), (690, 1435796), (713, 1389480), (744, 1331585), (920, 1076847), (930, 1065268), (1240, 798951), (1380, 717898), (1426, 694740), (1860, 532634), (2139, 463160), (2760, 358949), (2852, 347370), (3565, 277896), (3720, 266317), (4278, 231580), (5704, 173685), (7130, 138948), (8556, 115790), (10695, 92632), (11579, 85560), (14260, 69474), (17112, 57895), (21390, 46316), (23158, 42780), (28520, 34737)]