81686700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 216

約数和(自身を含む): 286387920

約数和(自身を除く): 204701220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 25, 30, 34, 36, 38, 45, 50, 51, 57, 60, 68, 75, 76, 85, 90, 95, 100, 102, 114, 150, 153, 170, 171, 180, 190, 204, 225, 228, 255, 281, 285, 300, 306, 323, 340, 342, 380, 425, 450, 475, 510, 562, 570, 612, 646, 684, 765, 843, 850, 855, 900, 950, 969, 1020, 1124, 1140, 1275, 1292, 1405, 1425, 1530, 1615, 1686, 1700, 1710, 1900, 1938, 2529, 2550, 2810, 2850, 2907, 3060, 3230, 3372, 3420, 3825, 3876, 4215, 4275, 4777, 4845, 5058, 5100, 5339, 5620, 5700, 5814, 6460, 7025, 7650, 8075, 8430, 8550, 9554, 9690, 10116, 10678, 11628, 12645, 14050, 14331, 14535, 15300, 16017, 16150, 16860, 17100, 19108, 19380, 21075, 21356, 23885, 24225, 25290, 26695, 28100, 28662, 29070, 32034, 32300, 42150, 42993, 47770, 48051, 48450, 50580, 53390, 57324, 58140, 63225, 64068, 71655, 72675, 80085, 84300, 85986, 90763, 95540, 96102, 96900, 106780, 119425, 126450, 133475, 143310, 145350, 160170, 171972, 181526, 192204, 214965, 238850, 240255, 252900, 266950, 272289, 286620, 290700, 320340, 358275, 363052, 400425, 429930, 453815, 477700, 480510, 533900, 544578, 716550, 800850, 816867, 859860, 907630, 961020, 1074825, 1089156, 1201275, 1361445, 1433100, 1601700, 1633734, 1815260, 2149650, 2269075, 2402550, 2722890, 3267468, 4084335, 4299300, 4538150, 4805100, 5445780, 6807225, 8168670, 9076300, 13614450, 16337340, 20421675, 27228900, 40843350, 81686700]

約数ペア:

[(1, 81686700), (2, 40843350), (3, 27228900), (4, 20421675), (5, 16337340), (6, 13614450), (9, 9076300), (10, 8168670), (12, 6807225), (15, 5445780), (17, 4805100), (18, 4538150), (19, 4299300), (20, 4084335), (25, 3267468), (30, 2722890), (34, 2402550), (36, 2269075), (38, 2149650), (45, 1815260), (50, 1633734), (51, 1601700), (57, 1433100), (60, 1361445), (68, 1201275), (75, 1089156), (76, 1074825), (85, 961020), (90, 907630), (95, 859860), (100, 816867), (102, 800850), (114, 716550), (150, 544578), (153, 533900), (170, 480510), (171, 477700), (180, 453815), (190, 429930), (204, 400425), (225, 363052), (228, 358275), (255, 320340), (281, 290700), (285, 286620), (300, 272289), (306, 266950), (323, 252900), (340, 240255), (342, 238850), (380, 214965), (425, 192204), (450, 181526), (475, 171972), (510, 160170), (562, 145350), (570, 143310), (612, 133475), (646, 126450), (684, 119425), (765, 106780), (843, 96900), (850, 96102), (855, 95540), (900, 90763), (950, 85986), (969, 84300), (1020, 80085), (1124, 72675), (1140, 71655), (1275, 64068), (1292, 63225), (1405, 58140), (1425, 57324), (1530, 53390), (1615, 50580), (1686, 48450), (1700, 48051), (1710, 47770), (1900, 42993), (1938, 42150), (2529, 32300), (2550, 32034), (2810, 29070), (2850, 28662), (2907, 28100), (3060, 26695), (3230, 25290), (3372, 24225), (3420, 23885), (3825, 21356), (3876, 21075), (4215, 19380), (4275, 19108), (4777, 17100), (4845, 16860), (5058, 16150), (5100, 16017), (5339, 15300), (5620, 14535), (5700, 14331), (5814, 14050), (6460, 12645), (7025, 11628), (7650, 10678), (8075, 10116), (8430, 9690), (8550, 9554)]