261941610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:580

約数の個数: 128

約数和(自身を含む): 766402560

約数和(自身を除く): 504460950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 239, 255, 307, 357, 478, 510, 595, 614, 714, 717, 921, 1190, 1195, 1434, 1535, 1673, 1785, 1842, 2149, 2390, 3070, 3346, 3570, 3585, 4063, 4298, 4605, 5019, 5219, 6447, 7170, 8126, 8365, 9210, 10038, 10438, 10745, 12189, 12894, 15657, 16730, 20315, 21490, 24378, 25095, 26095, 28441, 31314, 32235, 36533, 40630, 50190, 52190, 56882, 60945, 64470, 73066, 73373, 78285, 85323, 109599, 121890, 142205, 146746, 156570, 170646, 182665, 219198, 220119, 284410, 365330, 366865, 426615, 440238, 513611, 547995, 733730, 853230, 1027222, 1095990, 1100595, 1247341, 1540833, 2201190, 2494682, 2568055, 3081666, 3742023, 5136110, 6236705, 7484046, 7704165, 8731387, 12473410, 15408330, 17462774, 18710115, 26194161, 37420230, 43656935, 52388322, 87313870, 130970805, 261941610]

約数ペア:

[(1, 261941610), (2, 130970805), (3, 87313870), (5, 52388322), (6, 43656935), (7, 37420230), (10, 26194161), (14, 18710115), (15, 17462774), (17, 15408330), (21, 12473410), (30, 8731387), (34, 7704165), (35, 7484046), (42, 6236705), (51, 5136110), (70, 3742023), (85, 3081666), (102, 2568055), (105, 2494682), (119, 2201190), (170, 1540833), (210, 1247341), (238, 1100595), (239, 1095990), (255, 1027222), (307, 853230), (357, 733730), (478, 547995), (510, 513611), (595, 440238), (614, 426615), (714, 366865), (717, 365330), (921, 284410), (1190, 220119), (1195, 219198), (1434, 182665), (1535, 170646), (1673, 156570), (1785, 146746), (1842, 142205), (2149, 121890), (2390, 109599), (3070, 85323), (3346, 78285), (3570, 73373), (3585, 73066), (4063, 64470), (4298, 60945), (4605, 56882), (5019, 52190), (5219, 50190), (6447, 40630), (7170, 36533), (8126, 32235), (8365, 31314), (9210, 28441), (10038, 26095), (10438, 25095), (10745, 24378), (12189, 21490), (12894, 20315), (15657, 16730)]