77988400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 180

約数和(自身を含む): 228748752

約数和(自身を除く): 150760352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 80, 92, 98, 100, 112, 115, 140, 161, 173, 175, 184, 196, 200, 230, 245, 280, 322, 346, 350, 368, 392, 400, 460, 490, 560, 575, 644, 692, 700, 784, 805, 865, 920, 980, 1127, 1150, 1211, 1225, 1288, 1384, 1400, 1610, 1730, 1840, 1960, 2254, 2300, 2422, 2450, 2576, 2768, 2800, 3220, 3460, 3920, 3979, 4025, 4325, 4508, 4600, 4844, 4900, 5635, 6055, 6440, 6920, 7958, 8050, 8477, 8650, 9016, 9200, 9688, 9800, 11270, 12110, 12880, 13840, 15916, 16100, 16954, 17300, 18032, 19376, 19600, 19895, 22540, 24220, 27853, 28175, 30275, 31832, 32200, 33908, 34600, 39790, 42385, 45080, 48440, 55706, 56350, 60550, 63664, 64400, 67816, 69200, 79580, 84770, 90160, 96880, 99475, 111412, 112700, 121100, 135632, 139265, 159160, 169540, 194971, 198950, 211925, 222824, 225400, 242200, 278530, 318320, 339080, 389942, 397900, 423850, 445648, 450800, 484400, 557060, 678160, 696325, 779884, 795800, 847700, 974855, 1114120, 1392650, 1559768, 1591600, 1695400, 1949710, 2228240, 2785300, 3119536, 3390800, 3899420, 4874275, 5570600, 7798840, 9748550, 11141200, 15597680, 19497100, 38994200, 77988400]

約数ペア:

[(1, 77988400), (2, 38994200), (4, 19497100), (5, 15597680), (7, 11141200), (8, 9748550), (10, 7798840), (14, 5570600), (16, 4874275), (20, 3899420), (23, 3390800), (25, 3119536), (28, 2785300), (35, 2228240), (40, 1949710), (46, 1695400), (49, 1591600), (50, 1559768), (56, 1392650), (70, 1114120), (80, 974855), (92, 847700), (98, 795800), (100, 779884), (112, 696325), (115, 678160), (140, 557060), (161, 484400), (173, 450800), (175, 445648), (184, 423850), (196, 397900), (200, 389942), (230, 339080), (245, 318320), (280, 278530), (322, 242200), (346, 225400), (350, 222824), (368, 211925), (392, 198950), (400, 194971), (460, 169540), (490, 159160), (560, 139265), (575, 135632), (644, 121100), (692, 112700), (700, 111412), (784, 99475), (805, 96880), (865, 90160), (920, 84770), (980, 79580), (1127, 69200), (1150, 67816), (1211, 64400), (1225, 63664), (1288, 60550), (1384, 56350), (1400, 55706), (1610, 48440), (1730, 45080), (1840, 42385), (1960, 39790), (2254, 34600), (2300, 33908), (2422, 32200), (2450, 31832), (2576, 30275), (2768, 28175), (2800, 27853), (3220, 24220), (3460, 22540), (3920, 19895), (3979, 19600), (4025, 19376), (4325, 18032), (4508, 17300), (4600, 16954), (4844, 16100), (4900, 15916), (5635, 13840), (6055, 12880), (6440, 12110), (6920, 11270), (7958, 9800), (8050, 9688), (8477, 9200), (8650, 9016)]