77875980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:888

約数の個数: 192

約数和(自身を含む): 284497920

約数和(自身を除く): 206621940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 663, 714, 780, 839, 884, 910, 1020, 1092, 1105, 1190, 1326, 1365, 1428, 1547, 1678, 1785, 1820, 2210, 2380, 2517, 2652, 2730, 3094, 3315, 3356, 3570, 4195, 4420, 4641, 5034, 5460, 5873, 6188, 6630, 7140, 7735, 8390, 9282, 10068, 10907, 11746, 12585, 13260, 14263, 15470, 16780, 17619, 18564, 21814, 23205, 23492, 25170, 28526, 29365, 30940, 32721, 35238, 42789, 43628, 46410, 50340, 54535, 57052, 58730, 65442, 70476, 71315, 76349, 85578, 88095, 92820, 99841, 109070, 117460, 130884, 142630, 152698, 163605, 171156, 176190, 185419, 199682, 213945, 218140, 229047, 285260, 299523, 305396, 327210, 352380, 370838, 381745, 399364, 427890, 458094, 499205, 556257, 599046, 654420, 741676, 763490, 855780, 916188, 927095, 998410, 1112514, 1145235, 1198092, 1297933, 1497615, 1526980, 1854190, 1996820, 2225028, 2290470, 2595866, 2781285, 2995230, 3708380, 3893799, 4580940, 5191732, 5562570, 5990460, 6489665, 7787598, 11125140, 12979330, 15575196, 19468995, 25958660, 38937990, 77875980]

約数ペア:

[(1, 77875980), (2, 38937990), (3, 25958660), (4, 19468995), (5, 15575196), (6, 12979330), (7, 11125140), (10, 7787598), (12, 6489665), (13, 5990460), (14, 5562570), (15, 5191732), (17, 4580940), (20, 3893799), (21, 3708380), (26, 2995230), (28, 2781285), (30, 2595866), (34, 2290470), (35, 2225028), (39, 1996820), (42, 1854190), (51, 1526980), (52, 1497615), (60, 1297933), (65, 1198092), (68, 1145235), (70, 1112514), (78, 998410), (84, 927095), (85, 916188), (91, 855780), (102, 763490), (105, 741676), (119, 654420), (130, 599046), (140, 556257), (156, 499205), (170, 458094), (182, 427890), (195, 399364), (204, 381745), (210, 370838), (221, 352380), (238, 327210), (255, 305396), (260, 299523), (273, 285260), (340, 229047), (357, 218140), (364, 213945), (390, 199682), (420, 185419), (442, 176190), (455, 171156), (476, 163605), (510, 152698), (546, 142630), (595, 130884), (663, 117460), (714, 109070), (780, 99841), (839, 92820), (884, 88095), (910, 85578), (1020, 76349), (1092, 71315), (1105, 70476), (1190, 65442), (1326, 58730), (1365, 57052), (1428, 54535), (1547, 50340), (1678, 46410), (1785, 43628), (1820, 42789), (2210, 35238), (2380, 32721), (2517, 30940), (2652, 29365), (2730, 28526), (3094, 25170), (3315, 23492), (3356, 23205), (3570, 21814), (4195, 18564), (4420, 17619), (4641, 16780), (5034, 15470), (5460, 14263), (5873, 13260), (6188, 12585), (6630, 11746), (7140, 10907), (7735, 10068), (8390, 9282)]