78712920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 288

約数和(自身を含む): 304995600

約数和(自身を除く): 226282680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 121, 130, 132, 139, 143, 156, 165, 180, 195, 198, 220, 234, 242, 260, 264, 278, 286, 312, 330, 360, 363, 390, 396, 417, 429, 440, 468, 484, 495, 520, 556, 572, 585, 605, 660, 695, 715, 726, 780, 792, 834, 858, 936, 968, 990, 1089, 1112, 1144, 1170, 1210, 1251, 1287, 1320, 1390, 1430, 1452, 1529, 1560, 1573, 1668, 1716, 1807, 1815, 1980, 2085, 2145, 2178, 2340, 2420, 2502, 2574, 2780, 2860, 2904, 3058, 3146, 3336, 3432, 3614, 3630, 3960, 4170, 4290, 4356, 4587, 4680, 4719, 4840, 5004, 5148, 5421, 5445, 5560, 5720, 6116, 6255, 6292, 6435, 7228, 7260, 7645, 7865, 8340, 8580, 8712, 9035, 9174, 9438, 10008, 10296, 10842, 10890, 12232, 12510, 12584, 12870, 13761, 14157, 14456, 14520, 15290, 15730, 16263, 16680, 16819, 17160, 18070, 18348, 18876, 19877, 21684, 21780, 22935, 23595, 25020, 25740, 27105, 27522, 28314, 30580, 31460, 32526, 33638, 36140, 36696, 37752, 39754, 43368, 43560, 45870, 47190, 50040, 50457, 51480, 54210, 55044, 56628, 59631, 61160, 62920, 65052, 67276, 68805, 70785, 72280, 79508, 81315, 84095, 91740, 94380, 99385, 100914, 108420, 110088, 113256, 119262, 130104, 134552, 137610, 141570, 151371, 159016, 162630, 168190, 178893, 183480, 188760, 198770, 201828, 216840, 218647, 238524, 252285, 275220, 283140, 298155, 302742, 325260, 336380, 357786, 397540, 403656, 437294, 477048, 504570, 550440, 566280, 596310, 605484, 650520, 655941, 672760, 715572, 756855, 795080, 874588, 894465, 1009140, 1093235, 1192620, 1210968, 1311882, 1431144, 1513710, 1749176, 1788930, 1967823, 2018280, 2186470, 2385240, 2623764, 3027420, 3279705, 3577860, 3935646, 4372940, 5247528, 6054840, 6559410, 7155720, 7871292, 8745880, 9839115, 13118820, 15742584, 19678230, 26237640, 39356460, 78712920]

約数ペア:

[(1, 78712920), (2, 39356460), (3, 26237640), (4, 19678230), (5, 15742584), (6, 13118820), (8, 9839115), (9, 8745880), (10, 7871292), (11, 7155720), (12, 6559410), (13, 6054840), (15, 5247528), (18, 4372940), (20, 3935646), (22, 3577860), (24, 3279705), (26, 3027420), (30, 2623764), (33, 2385240), (36, 2186470), (39, 2018280), (40, 1967823), (44, 1788930), (45, 1749176), (52, 1513710), (55, 1431144), (60, 1311882), (65, 1210968), (66, 1192620), (72, 1093235), (78, 1009140), (88, 894465), (90, 874588), (99, 795080), (104, 756855), (110, 715572), (117, 672760), (120, 655941), (121, 650520), (130, 605484), (132, 596310), (139, 566280), (143, 550440), (156, 504570), (165, 477048), (180, 437294), (195, 403656), (198, 397540), (220, 357786), (234, 336380), (242, 325260), (260, 302742), (264, 298155), (278, 283140), (286, 275220), (312, 252285), (330, 238524), (360, 218647), (363, 216840), (390, 201828), (396, 198770), (417, 188760), (429, 183480), (440, 178893), (468, 168190), (484, 162630), (495, 159016), (520, 151371), (556, 141570), (572, 137610), (585, 134552), (605, 130104), (660, 119262), (695, 113256), (715, 110088), (726, 108420), (780, 100914), (792, 99385), (834, 94380), (858, 91740), (936, 84095), (968, 81315), (990, 79508), (1089, 72280), (1112, 70785), (1144, 68805), (1170, 67276), (1210, 65052), (1251, 62920), (1287, 61160), (1320, 59631), (1390, 56628), (1430, 55044), (1452, 54210), (1529, 51480), (1560, 50457), (1573, 50040), (1668, 47190), (1716, 45870), (1807, 43560), (1815, 43368), (1980, 39754), (2085, 37752), (2145, 36696), (2178, 36140), (2340, 33638), (2420, 32526), (2502, 31460), (2574, 30580), (2780, 28314), (2860, 27522), (2904, 27105), (3058, 25740), (3146, 25020), (3336, 23595), (3432, 22935), (3614, 21780), (3630, 21684), (3960, 19877), (4170, 18876), (4290, 18348), (4356, 18070), (4587, 17160), (4680, 16819), (4719, 16680), (4840, 16263), (5004, 15730), (5148, 15290), (5421, 14520), (5445, 14456), (5560, 14157), (5720, 13761), (6116, 12870), (6255, 12584), (6292, 12510), (6435, 12232), (7228, 10890), (7260, 10842), (7645, 10296), (7865, 10008), (8340, 9438), (8580, 9174), (8712, 9035)]