31745520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 116992512

約数和(自身を除く): 85246992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 71, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 142, 144, 162, 180, 184, 207, 213, 216, 230, 240, 243, 270, 276, 284, 324, 345, 355, 360, 368, 405, 414, 426, 432, 460, 486, 540, 552, 568, 621, 639, 648, 690, 710, 720, 810, 828, 852, 920, 972, 1035, 1065, 1080, 1104, 1136, 1215, 1242, 1278, 1296, 1380, 1420, 1620, 1633, 1656, 1704, 1840, 1863, 1917, 1944, 2070, 2130, 2160, 2430, 2484, 2556, 2760, 2840, 3105, 3195, 3240, 3266, 3312, 3408, 3726, 3834, 3888, 4140, 4260, 4860, 4899, 4968, 5112, 5520, 5589, 5680, 5751, 6210, 6390, 6480, 6532, 7452, 7668, 8165, 8280, 8520, 9315, 9585, 9720, 9798, 9936, 10224, 11178, 11502, 12420, 12780, 13064, 14697, 14904, 15336, 16330, 16560, 17040, 17253, 18630, 19170, 19440, 19596, 22356, 23004, 24495, 24840, 25560, 26128, 27945, 28755, 29394, 29808, 30672, 32660, 34506, 37260, 38340, 39192, 44091, 44712, 46008, 48990, 49680, 51120, 55890, 57510, 58788, 65320, 69012, 73485, 74520, 76680, 78384, 86265, 88182, 89424, 92016, 97980, 111780, 115020, 117576, 130640, 132273, 138024, 146970, 149040, 153360, 172530, 176364, 195960, 220455, 223560, 230040, 235152, 264546, 276048, 293940, 345060, 352728, 391920, 396819, 440910, 447120, 460080, 529092, 587880, 661365, 690120, 705456, 793638, 881820, 1058184, 1175760, 1322730, 1380240, 1587276, 1763640, 1984095, 2116368, 2645460, 3174552, 3527280, 3968190, 5290920, 6349104, 7936380, 10581840, 15872760, 31745520]

約数ペア:

[(1, 31745520), (2, 15872760), (3, 10581840), (4, 7936380), (5, 6349104), (6, 5290920), (8, 3968190), (9, 3527280), (10, 3174552), (12, 2645460), (15, 2116368), (16, 1984095), (18, 1763640), (20, 1587276), (23, 1380240), (24, 1322730), (27, 1175760), (30, 1058184), (36, 881820), (40, 793638), (45, 705456), (46, 690120), (48, 661365), (54, 587880), (60, 529092), (69, 460080), (71, 447120), (72, 440910), (80, 396819), (81, 391920), (90, 352728), (92, 345060), (108, 293940), (115, 276048), (120, 264546), (135, 235152), (138, 230040), (142, 223560), (144, 220455), (162, 195960), (180, 176364), (184, 172530), (207, 153360), (213, 149040), (216, 146970), (230, 138024), (240, 132273), (243, 130640), (270, 117576), (276, 115020), (284, 111780), (324, 97980), (345, 92016), (355, 89424), (360, 88182), (368, 86265), (405, 78384), (414, 76680), (426, 74520), (432, 73485), (460, 69012), (486, 65320), (540, 58788), (552, 57510), (568, 55890), (621, 51120), (639, 49680), (648, 48990), (690, 46008), (710, 44712), (720, 44091), (810, 39192), (828, 38340), (852, 37260), (920, 34506), (972, 32660), (1035, 30672), (1065, 29808), (1080, 29394), (1104, 28755), (1136, 27945), (1215, 26128), (1242, 25560), (1278, 24840), (1296, 24495), (1380, 23004), (1420, 22356), (1620, 19596), (1633, 19440), (1656, 19170), (1704, 18630), (1840, 17253), (1863, 17040), (1917, 16560), (1944, 16330), (2070, 15336), (2130, 14904), (2160, 14697), (2430, 13064), (2484, 12780), (2556, 12420), (2760, 11502), (2840, 11178), (3105, 10224), (3195, 9936), (3240, 9798), (3266, 9720), (3312, 9585), (3408, 9315), (3726, 8520), (3834, 8280), (3888, 8165), (4140, 7668), (4260, 7452), (4860, 6532), (4899, 6480), (4968, 6390), (5112, 6210), (5520, 5751), (5589, 5680)]