659971980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 2052558144

約数和(自身を除く): 1392586164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 113, 142, 180, 213, 226, 284, 339, 355, 426, 452, 457, 565, 639, 678, 710, 852, 914, 1017, 1065, 1130, 1278, 1356, 1371, 1420, 1695, 1828, 2034, 2130, 2260, 2285, 2556, 2742, 3195, 3390, 4068, 4113, 4260, 4570, 5085, 5484, 6390, 6780, 6855, 8023, 8226, 9140, 10170, 12780, 13710, 16046, 16452, 20340, 20565, 24069, 27420, 32092, 32447, 40115, 41130, 48138, 51641, 64894, 72207, 80230, 82260, 96276, 97341, 103282, 120345, 129788, 144414, 154923, 160460, 162235, 194682, 206564, 240690, 258205, 288828, 292023, 309846, 324470, 361035, 389364, 464769, 481380, 486705, 516410, 584046, 619692, 648940, 722070, 774615, 929538, 973410, 1032820, 1168092, 1444140, 1460115, 1549230, 1859076, 1946820, 2323845, 2920230, 3098460, 3666511, 4647690, 5840460, 7333022, 9295380, 10999533, 14666044, 18332555, 21999066, 32998599, 36665110, 43998132, 54997665, 65997198, 73330220, 109995330, 131994396, 164992995, 219990660, 329985990, 659971980]

約数ペア:

[(1, 659971980), (2, 329985990), (3, 219990660), (4, 164992995), (5, 131994396), (6, 109995330), (9, 73330220), (10, 65997198), (12, 54997665), (15, 43998132), (18, 36665110), (20, 32998599), (30, 21999066), (36, 18332555), (45, 14666044), (60, 10999533), (71, 9295380), (90, 7333022), (113, 5840460), (142, 4647690), (180, 3666511), (213, 3098460), (226, 2920230), (284, 2323845), (339, 1946820), (355, 1859076), (426, 1549230), (452, 1460115), (457, 1444140), (565, 1168092), (639, 1032820), (678, 973410), (710, 929538), (852, 774615), (914, 722070), (1017, 648940), (1065, 619692), (1130, 584046), (1278, 516410), (1356, 486705), (1371, 481380), (1420, 464769), (1695, 389364), (1828, 361035), (2034, 324470), (2130, 309846), (2260, 292023), (2285, 288828), (2556, 258205), (2742, 240690), (3195, 206564), (3390, 194682), (4068, 162235), (4113, 160460), (4260, 154923), (4570, 144414), (5085, 129788), (5484, 120345), (6390, 103282), (6780, 97341), (6855, 96276), (8023, 82260), (8226, 80230), (9140, 72207), (10170, 64894), (12780, 51641), (13710, 48138), (16046, 41130), (16452, 40115), (20340, 32447), (20565, 32092), (24069, 27420)]