31361081520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1\times {\mathrm{983}}^1$

素因数の和:1739

約数の個数: 160

約数和(自身を含む): 97860736512

約数和(自身を除く): 66499654992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 433, 614, 866, 921, 983, 1228, 1299, 1535, 1732, 1842, 1966, 2165, 2456, 2598, 2949, 3070, 3464, 3684, 3932, 4330, 4605, 4912, 4915, 5196, 5898, 6140, 6495, 6928, 7368, 7864, 8660, 9210, 9830, 10392, 11796, 12280, 12990, 14736, 14745, 15728, 17320, 18420, 19660, 20784, 23592, 24560, 25980, 29490, 34640, 36840, 39320, 47184, 51960, 58980, 73680, 78640, 103920, 117960, 132931, 235920, 265862, 301781, 398793, 425639, 531724, 603562, 664655, 797586, 851278, 905343, 1063448, 1207124, 1276917, 1329310, 1508905, 1595172, 1702556, 1810686, 1993965, 2126896, 2128195, 2414248, 2553834, 2658620, 3017810, 3190344, 3405112, 3621372, 3987930, 4256390, 4526715, 4828496, 5107668, 5317240, 6035620, 6380688, 6384585, 6810224, 7242744, 7975860, 8512780, 9053430, 10215336, 10634480, 12071240, 12769170, 14485488, 15951720, 17025560, 18106860, 20430672, 24142480, 25538340, 31903440, 34051120, 36213720, 51076680, 72427440, 102153360, 130671173, 261342346, 392013519, 522684692, 653355865, 784027038, 1045369384, 1306711730, 1568054076, 1960067595, 2090738768, 2613423460, 3136108152, 3920135190, 5226846920, 6272216304, 7840270380, 10453693840, 15680540760, 31361081520]

約数ペア:

[(1, 31361081520), (2, 15680540760), (3, 10453693840), (4, 7840270380), (5, 6272216304), (6, 5226846920), (8, 3920135190), (10, 3136108152), (12, 2613423460), (15, 2090738768), (16, 1960067595), (20, 1568054076), (24, 1306711730), (30, 1045369384), (40, 784027038), (48, 653355865), (60, 522684692), (80, 392013519), (120, 261342346), (240, 130671173), (307, 102153360), (433, 72427440), (614, 51076680), (866, 36213720), (921, 34051120), (983, 31903440), (1228, 25538340), (1299, 24142480), (1535, 20430672), (1732, 18106860), (1842, 17025560), (1966, 15951720), (2165, 14485488), (2456, 12769170), (2598, 12071240), (2949, 10634480), (3070, 10215336), (3464, 9053430), (3684, 8512780), (3932, 7975860), (4330, 7242744), (4605, 6810224), (4912, 6384585), (4915, 6380688), (5196, 6035620), (5898, 5317240), (6140, 5107668), (6495, 4828496), (6928, 4526715), (7368, 4256390), (7864, 3987930), (8660, 3621372), (9210, 3405112), (9830, 3190344), (10392, 3017810), (11796, 2658620), (12280, 2553834), (12990, 2414248), (14736, 2128195), (14745, 2126896), (15728, 1993965), (17320, 1810686), (18420, 1702556), (19660, 1595172), (20784, 1508905), (23592, 1329310), (24560, 1276917), (25980, 1207124), (29490, 1063448), (34640, 905343), (36840, 851278), (39320, 797586), (47184, 664655), (51960, 603562), (58980, 531724), (73680, 425639), (78640, 398793), (103920, 301781), (117960, 265862), (132931, 235920)]