66689560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 182476800

約数和(自身を除く): 115787240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 43, 56, 58, 70, 86, 116, 140, 145, 172, 191, 203, 215, 232, 280, 290, 301, 344, 382, 406, 430, 580, 602, 764, 812, 860, 955, 1015, 1160, 1204, 1247, 1337, 1505, 1528, 1624, 1720, 1910, 2030, 2408, 2494, 2674, 3010, 3820, 4060, 4988, 5348, 5539, 6020, 6235, 6685, 7640, 8120, 8213, 8729, 9976, 10696, 11078, 12040, 12470, 13370, 16426, 17458, 22156, 24940, 26740, 27695, 32852, 34916, 38773, 41065, 43645, 44312, 49880, 53480, 55390, 57491, 65704, 69832, 77546, 82130, 87290, 110780, 114982, 155092, 164260, 174580, 193865, 221560, 229964, 238177, 287455, 310184, 328520, 349160, 387730, 459928, 476354, 574910, 775460, 952708, 1149820, 1190885, 1550920, 1667239, 1905416, 2299640, 2381770, 3334478, 4763540, 6668956, 8336195, 9527080, 13337912, 16672390, 33344780, 66689560]

約数ペア:

[(1, 66689560), (2, 33344780), (4, 16672390), (5, 13337912), (7, 9527080), (8, 8336195), (10, 6668956), (14, 4763540), (20, 3334478), (28, 2381770), (29, 2299640), (35, 1905416), (40, 1667239), (43, 1550920), (56, 1190885), (58, 1149820), (70, 952708), (86, 775460), (116, 574910), (140, 476354), (145, 459928), (172, 387730), (191, 349160), (203, 328520), (215, 310184), (232, 287455), (280, 238177), (290, 229964), (301, 221560), (344, 193865), (382, 174580), (406, 164260), (430, 155092), (580, 114982), (602, 110780), (764, 87290), (812, 82130), (860, 77546), (955, 69832), (1015, 65704), (1160, 57491), (1204, 55390), (1247, 53480), (1337, 49880), (1505, 44312), (1528, 43645), (1624, 41065), (1720, 38773), (1910, 34916), (2030, 32852), (2408, 27695), (2494, 26740), (2674, 24940), (3010, 22156), (3820, 17458), (4060, 16426), (4988, 13370), (5348, 12470), (5539, 12040), (6020, 11078), (6235, 10696), (6685, 9976), (7640, 8729), (8120, 8213)]