20145806800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:646

約数の個数: 240

約数和(自身を含む): 56237289472

約数和(自身を除く): 36091482672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 127, 140, 175, 181, 200, 254, 280, 313, 350, 362, 400, 508, 560, 626, 635, 700, 724, 889, 905, 1016, 1252, 1267, 1270, 1400, 1448, 1565, 1778, 1810, 2032, 2191, 2504, 2534, 2540, 2800, 2896, 3130, 3175, 3556, 3620, 4382, 4445, 4525, 5008, 5068, 5080, 6260, 6335, 6350, 7112, 7240, 7825, 8764, 8890, 9050, 10136, 10160, 10955, 12520, 12670, 12700, 14224, 14480, 15650, 17528, 17780, 18100, 20272, 21910, 22225, 22987, 25040, 25340, 25400, 31300, 31675, 35056, 35560, 36200, 39751, 43820, 44450, 45974, 50680, 50800, 54775, 56653, 62600, 63350, 71120, 72400, 79502, 87640, 88900, 91948, 101360, 109550, 113306, 114935, 125200, 126700, 159004, 160909, 175280, 177800, 183896, 198755, 219100, 226612, 229870, 253400, 278257, 283265, 318008, 321818, 355600, 367792, 396571, 397510, 438200, 453224, 459740, 506800, 556514, 566530, 574675, 636016, 643636, 793142, 795020, 804545, 876400, 906448, 919480, 993775, 1113028, 1133060, 1149350, 1287272, 1391285, 1416325, 1586284, 1590040, 1609090, 1838960, 1982855, 1987550, 2226056, 2266120, 2298700, 2574544, 2782570, 2832650, 3172568, 3180080, 3218180, 3965710, 3975100, 4022725, 4452112, 4532240, 4597400, 5565140, 5665300, 6345136, 6436360, 6956425, 7194931, 7931420, 7950200, 8045450, 9194800, 9914275, 11130280, 11330600, 12872720, 13912850, 14389862, 15862840, 15900400, 16090900, 19828550, 22260560, 22661200, 27825700, 28779724, 31725680, 32181800, 35974655, 39657100, 50364517, 55651400, 57559448, 64363600, 71949310, 79314200, 100729034, 111302800, 115118896, 143898620, 158628400, 179873275, 201458068, 251822585, 287797240, 359746550, 402916136, 503645170, 575594480, 719493100, 805832272, 1007290340, 1259112925, 1438986200, 2014580680, 2518225850, 2877972400, 4029161360, 5036451700, 10072903400, 20145806800]

約数ペア:

[(1, 20145806800), (2, 10072903400), (4, 5036451700), (5, 4029161360), (7, 2877972400), (8, 2518225850), (10, 2014580680), (14, 1438986200), (16, 1259112925), (20, 1007290340), (25, 805832272), (28, 719493100), (35, 575594480), (40, 503645170), (50, 402916136), (56, 359746550), (70, 287797240), (80, 251822585), (100, 201458068), (112, 179873275), (127, 158628400), (140, 143898620), (175, 115118896), (181, 111302800), (200, 100729034), (254, 79314200), (280, 71949310), (313, 64363600), (350, 57559448), (362, 55651400), (400, 50364517), (508, 39657100), (560, 35974655), (626, 32181800), (635, 31725680), (700, 28779724), (724, 27825700), (889, 22661200), (905, 22260560), (1016, 19828550), (1252, 16090900), (1267, 15900400), (1270, 15862840), (1400, 14389862), (1448, 13912850), (1565, 12872720), (1778, 11330600), (1810, 11130280), (2032, 9914275), (2191, 9194800), (2504, 8045450), (2534, 7950200), (2540, 7931420), (2800, 7194931), (2896, 6956425), (3130, 6436360), (3175, 6345136), (3556, 5665300), (3620, 5565140), (4382, 4597400), (4445, 4532240), (4525, 4452112), (5008, 4022725), (5068, 3975100), (5080, 3965710), (6260, 3218180), (6335, 3180080), (6350, 3172568), (7112, 2832650), (7240, 2782570), (7825, 2574544), (8764, 2298700), (8890, 2266120), (9050, 2226056), (10136, 1987550), (10160, 1982855), (10955, 1838960), (12520, 1609090), (12670, 1590040), (12700, 1586284), (14224, 1416325), (14480, 1391285), (15650, 1287272), (17528, 1149350), (17780, 1133060), (18100, 1113028), (20272, 993775), (21910, 919480), (22225, 906448), (22987, 876400), (25040, 804545), (25340, 795020), (25400, 793142), (31300, 643636), (31675, 636016), (35056, 574675), (35560, 566530), (36200, 556514), (39751, 506800), (43820, 459740), (44450, 453224), (45974, 438200), (50680, 397510), (50800, 396571), (54775, 367792), (56653, 355600), (62600, 321818), (63350, 318008), (71120, 283265), (72400, 278257), (79502, 253400), (87640, 229870), (88900, 226612), (91948, 219100), (101360, 198755), (109550, 183896), (113306, 177800), (114935, 175280), (125200, 160909), (126700, 159004)]