20405602080

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89123}}^1$

素因数の和:89200

約数の個数: 192

約数和(自身を含む): 72767963520

約数和(自身を除く): 52362361440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 53, 54, 60, 72, 80, 90, 96, 106, 108, 120, 135, 144, 159, 160, 180, 212, 216, 240, 265, 270, 288, 318, 360, 424, 432, 477, 480, 530, 540, 636, 720, 795, 848, 864, 954, 1060, 1080, 1272, 1431, 1440, 1590, 1696, 1908, 2120, 2160, 2385, 2544, 2862, 3180, 3816, 4240, 4320, 4770, 5088, 5724, 6360, 7155, 7632, 8480, 9540, 11448, 12720, 14310, 15264, 19080, 22896, 25440, 28620, 38160, 45792, 57240, 76320, 89123, 114480, 178246, 228960, 267369, 356492, 445615, 534738, 712984, 802107, 891230, 1069476, 1336845, 1425968, 1604214, 1782460, 2138952, 2406321, 2673690, 2851936, 3208428, 3564920, 4010535, 4277904, 4723519, 4812642, 5347380, 6416856, 7129840, 8021070, 8555808, 9447038, 9625284, 10694760, 12031605, 12833712, 14170557, 14259680, 16042140, 18894076, 19250568, 21389520, 23617595, 24063210, 25667424, 28341114, 32084280, 37788152, 38501136, 42511671, 42779040, 47235190, 48126420, 56682228, 64168560, 70852785, 75576304, 77002272, 85023342, 94470380, 96252840, 113364456, 127535013, 128337120, 141705570, 151152608, 170046684, 188940760, 192505680, 212558355, 226728912, 255070026, 283411140, 340093368, 377881520, 385011360, 425116710, 453457824, 510140052, 566822280, 637675065, 680186736, 755763040, 850233420, 1020280104, 1133644560, 1275350130, 1360373472, 1700466840, 2040560208, 2267289120, 2550700260, 3400933680, 4081120416, 5101400520, 6801867360, 10202801040, 20405602080]

約数ペア:

[(1, 20405602080), (2, 10202801040), (3, 6801867360), (4, 5101400520), (5, 4081120416), (6, 3400933680), (8, 2550700260), (9, 2267289120), (10, 2040560208), (12, 1700466840), (15, 1360373472), (16, 1275350130), (18, 1133644560), (20, 1020280104), (24, 850233420), (27, 755763040), (30, 680186736), (32, 637675065), (36, 566822280), (40, 510140052), (45, 453457824), (48, 425116710), (53, 385011360), (54, 377881520), (60, 340093368), (72, 283411140), (80, 255070026), (90, 226728912), (96, 212558355), (106, 192505680), (108, 188940760), (120, 170046684), (135, 151152608), (144, 141705570), (159, 128337120), (160, 127535013), (180, 113364456), (212, 96252840), (216, 94470380), (240, 85023342), (265, 77002272), (270, 75576304), (288, 70852785), (318, 64168560), (360, 56682228), (424, 48126420), (432, 47235190), (477, 42779040), (480, 42511671), (530, 38501136), (540, 37788152), (636, 32084280), (720, 28341114), (795, 25667424), (848, 24063210), (864, 23617595), (954, 21389520), (1060, 19250568), (1080, 18894076), (1272, 16042140), (1431, 14259680), (1440, 14170557), (1590, 12833712), (1696, 12031605), (1908, 10694760), (2120, 9625284), (2160, 9447038), (2385, 8555808), (2544, 8021070), (2862, 7129840), (3180, 6416856), (3816, 5347380), (4240, 4812642), (4320, 4723519), (4770, 4277904), (5088, 4010535), (5724, 3564920), (6360, 3208428), (7155, 2851936), (7632, 2673690), (8480, 2406321), (9540, 2138952), (11448, 1782460), (12720, 1604214), (14310, 1425968), (15264, 1336845), (19080, 1069476), (22896, 891230), (25440, 802107), (28620, 712984), (38160, 534738), (45792, 445615), (57240, 356492), (76320, 267369), (89123, 228960), (114480, 178246)]