208809180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1696

約数の個数: 144

約数和(自身を含む): 682665984

約数和(自身を除く): 473856804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 620, 690, 713, 828, 930, 1035, 1116, 1380, 1395, 1426, 1627, 1860, 2070, 2139, 2790, 2852, 3254, 3565, 4140, 4278, 4881, 5580, 6417, 6508, 7130, 8135, 8556, 9762, 10695, 12834, 14260, 14643, 16270, 19524, 21390, 24405, 25668, 29286, 32085, 32540, 37421, 42780, 48810, 50437, 58572, 64170, 73215, 74842, 97620, 100874, 112263, 128340, 146430, 149684, 151311, 187105, 201748, 224526, 252185, 292860, 302622, 336789, 374210, 449052, 453933, 504370, 561315, 605244, 673578, 748420, 756555, 907866, 1008740, 1122630, 1160051, 1347156, 1513110, 1683945, 1815732, 2245260, 2269665, 2320102, 3026220, 3367890, 3480153, 4539330, 4640204, 5800255, 6735780, 6960306, 9078660, 10440459, 11600510, 13920612, 17400765, 20880918, 23201020, 34801530, 41761836, 52202295, 69603060, 104404590, 208809180]

約数ペア:

[(1, 208809180), (2, 104404590), (3, 69603060), (4, 52202295), (5, 41761836), (6, 34801530), (9, 23201020), (10, 20880918), (12, 17400765), (15, 13920612), (18, 11600510), (20, 10440459), (23, 9078660), (30, 6960306), (31, 6735780), (36, 5800255), (45, 4640204), (46, 4539330), (60, 3480153), (62, 3367890), (69, 3026220), (90, 2320102), (92, 2269665), (93, 2245260), (115, 1815732), (124, 1683945), (138, 1513110), (155, 1347156), (180, 1160051), (186, 1122630), (207, 1008740), (230, 907866), (276, 756555), (279, 748420), (310, 673578), (345, 605244), (372, 561315), (414, 504370), (460, 453933), (465, 449052), (558, 374210), (620, 336789), (690, 302622), (713, 292860), (828, 252185), (930, 224526), (1035, 201748), (1116, 187105), (1380, 151311), (1395, 149684), (1426, 146430), (1627, 128340), (1860, 112263), (2070, 100874), (2139, 97620), (2790, 74842), (2852, 73215), (3254, 64170), (3565, 58572), (4140, 50437), (4278, 48810), (4881, 42780), (5580, 37421), (6417, 32540), (6508, 32085), (7130, 29286), (8135, 25668), (8556, 24405), (9762, 21390), (10695, 19524), (12834, 16270), (14260, 14643)]