77917840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 240

約数和(自身を含む): 249359040

約数和(自身を除く): 171441200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 130, 139, 140, 143, 154, 176, 182, 196, 208, 220, 245, 260, 278, 280, 286, 308, 364, 385, 392, 440, 455, 490, 520, 539, 556, 560, 572, 616, 637, 695, 715, 728, 770, 784, 880, 910, 973, 980, 1001, 1040, 1078, 1112, 1144, 1232, 1274, 1390, 1430, 1456, 1529, 1540, 1807, 1820, 1946, 1960, 2002, 2156, 2224, 2288, 2548, 2695, 2780, 2860, 3058, 3080, 3185, 3614, 3640, 3892, 3920, 4004, 4312, 4865, 5005, 5096, 5390, 5560, 5720, 6116, 6160, 6370, 6811, 7007, 7228, 7280, 7645, 7784, 8008, 8624, 9035, 9730, 10010, 10192, 10703, 10780, 11120, 11440, 12232, 12649, 12740, 13622, 14014, 14456, 15290, 15568, 16016, 18070, 19460, 19877, 20020, 21406, 21560, 24464, 25298, 25480, 27244, 28028, 28912, 30580, 34055, 35035, 36140, 38920, 39754, 40040, 42812, 43120, 50596, 50960, 53515, 54488, 56056, 61160, 63245, 68110, 70070, 72280, 74921, 77840, 79508, 80080, 85624, 88543, 99385, 101192, 107030, 108976, 112112, 122320, 126490, 136220, 139139, 140140, 144560, 149842, 159016, 171248, 177086, 198770, 202384, 214060, 252980, 272440, 278278, 280280, 299684, 318032, 354172, 374605, 397540, 428120, 442715, 505960, 544880, 556556, 560560, 599368, 695695, 708344, 749210, 795080, 856240, 885430, 973973, 1011920, 1113112, 1198736, 1391390, 1416688, 1498420, 1590160, 1770860, 1947946, 2226224, 2782780, 2996840, 3541720, 3895892, 4869865, 5565560, 5993680, 7083440, 7791784, 9739730, 11131120, 15583568, 19479460, 38958920, 77917840]

約数ペア:

[(1, 77917840), (2, 38958920), (4, 19479460), (5, 15583568), (7, 11131120), (8, 9739730), (10, 7791784), (11, 7083440), (13, 5993680), (14, 5565560), (16, 4869865), (20, 3895892), (22, 3541720), (26, 2996840), (28, 2782780), (35, 2226224), (40, 1947946), (44, 1770860), (49, 1590160), (52, 1498420), (55, 1416688), (56, 1391390), (65, 1198736), (70, 1113112), (77, 1011920), (80, 973973), (88, 885430), (91, 856240), (98, 795080), (104, 749210), (110, 708344), (112, 695695), (130, 599368), (139, 560560), (140, 556556), (143, 544880), (154, 505960), (176, 442715), (182, 428120), (196, 397540), (208, 374605), (220, 354172), (245, 318032), (260, 299684), (278, 280280), (280, 278278), (286, 272440), (308, 252980), (364, 214060), (385, 202384), (392, 198770), (440, 177086), (455, 171248), (490, 159016), (520, 149842), (539, 144560), (556, 140140), (560, 139139), (572, 136220), (616, 126490), (637, 122320), (695, 112112), (715, 108976), (728, 107030), (770, 101192), (784, 99385), (880, 88543), (910, 85624), (973, 80080), (980, 79508), (1001, 77840), (1040, 74921), (1078, 72280), (1112, 70070), (1144, 68110), (1232, 63245), (1274, 61160), (1390, 56056), (1430, 54488), (1456, 53515), (1529, 50960), (1540, 50596), (1807, 43120), (1820, 42812), (1946, 40040), (1960, 39754), (2002, 38920), (2156, 36140), (2224, 35035), (2288, 34055), (2548, 30580), (2695, 28912), (2780, 28028), (2860, 27244), (3058, 25480), (3080, 25298), (3185, 24464), (3614, 21560), (3640, 21406), (3892, 20020), (3920, 19877), (4004, 19460), (4312, 18070), (4865, 16016), (5005, 15568), (5096, 15290), (5390, 14456), (5560, 14014), (5720, 13622), (6116, 12740), (6160, 12649), (6370, 12232), (6811, 11440), (7007, 11120), (7228, 10780), (7280, 10703), (7645, 10192), (7784, 10010), (8008, 9730), (8624, 9035)]