81016950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 251412480

約数和(自身を除く): 170395530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 31, 35, 38, 42, 50, 57, 62, 70, 75, 93, 95, 105, 114, 131, 133, 150, 155, 175, 186, 190, 210, 217, 262, 266, 285, 310, 350, 393, 399, 434, 465, 475, 525, 570, 589, 651, 655, 665, 775, 786, 798, 917, 930, 950, 1050, 1085, 1178, 1302, 1310, 1330, 1425, 1550, 1767, 1834, 1965, 1995, 2170, 2325, 2489, 2751, 2850, 2945, 3255, 3275, 3325, 3534, 3930, 3990, 4061, 4123, 4585, 4650, 4978, 5425, 5502, 5890, 6510, 6550, 6650, 7467, 8122, 8246, 8835, 9170, 9825, 9975, 10850, 12183, 12369, 12445, 13755, 14725, 14934, 16275, 17423, 17670, 19650, 19950, 20305, 20615, 22925, 24366, 24738, 24890, 27510, 28427, 29450, 32550, 34846, 37335, 40610, 41230, 44175, 45850, 52269, 56854, 60915, 61845, 62225, 68775, 74670, 77159, 85281, 87115, 88350, 101525, 103075, 104538, 121830, 123690, 124450, 137550, 142135, 154318, 170562, 174230, 186675, 203050, 206150, 231477, 261345, 284270, 304575, 309225, 373350, 385795, 426405, 435575, 462954, 522690, 540113, 609150, 618450, 710675, 771590, 852810, 871150, 1080226, 1157385, 1306725, 1421350, 1620339, 1928975, 2132025, 2314770, 2613450, 2700565, 3240678, 3857950, 4264050, 5401130, 5786925, 8101695, 11573850, 13502825, 16203390, 27005650, 40508475, 81016950]

約数ペア:

[(1, 81016950), (2, 40508475), (3, 27005650), (5, 16203390), (6, 13502825), (7, 11573850), (10, 8101695), (14, 5786925), (15, 5401130), (19, 4264050), (21, 3857950), (25, 3240678), (30, 2700565), (31, 2613450), (35, 2314770), (38, 2132025), (42, 1928975), (50, 1620339), (57, 1421350), (62, 1306725), (70, 1157385), (75, 1080226), (93, 871150), (95, 852810), (105, 771590), (114, 710675), (131, 618450), (133, 609150), (150, 540113), (155, 522690), (175, 462954), (186, 435575), (190, 426405), (210, 385795), (217, 373350), (262, 309225), (266, 304575), (285, 284270), (310, 261345), (350, 231477), (393, 206150), (399, 203050), (434, 186675), (465, 174230), (475, 170562), (525, 154318), (570, 142135), (589, 137550), (651, 124450), (655, 123690), (665, 121830), (775, 104538), (786, 103075), (798, 101525), (917, 88350), (930, 87115), (950, 85281), (1050, 77159), (1085, 74670), (1178, 68775), (1302, 62225), (1310, 61845), (1330, 60915), (1425, 56854), (1550, 52269), (1767, 45850), (1834, 44175), (1965, 41230), (1995, 40610), (2170, 37335), (2325, 34846), (2489, 32550), (2751, 29450), (2850, 28427), (2945, 27510), (3255, 24890), (3275, 24738), (3325, 24366), (3534, 22925), (3930, 20615), (3990, 20305), (4061, 19950), (4123, 19650), (4585, 17670), (4650, 17423), (4978, 16275), (5425, 14934), (5502, 14725), (5890, 13755), (6510, 12445), (6550, 12369), (6650, 12183), (7467, 10850), (8122, 9975), (8246, 9825), (8835, 9170)]