80002800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 180

約数和(自身を含む): 282441744

約数和(自身を除く): 202438944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 71, 72, 75, 80, 90, 100, 120, 142, 144, 150, 180, 200, 213, 225, 240, 284, 300, 313, 355, 360, 400, 426, 450, 568, 600, 626, 639, 710, 720, 852, 900, 939, 1065, 1136, 1200, 1252, 1278, 1420, 1565, 1704, 1775, 1800, 1878, 2130, 2504, 2556, 2817, 2840, 3130, 3195, 3408, 3550, 3600, 3756, 4260, 4695, 5008, 5112, 5325, 5634, 5680, 6260, 6390, 7100, 7512, 7825, 8520, 9390, 10224, 10650, 11268, 12520, 12780, 14085, 14200, 15024, 15650, 15975, 17040, 18780, 21300, 22223, 22536, 23475, 25040, 25560, 28170, 28400, 31300, 31950, 37560, 42600, 44446, 45072, 46950, 51120, 56340, 62600, 63900, 66669, 70425, 75120, 85200, 88892, 93900, 111115, 112680, 125200, 127800, 133338, 140850, 177784, 187800, 200007, 222230, 225360, 255600, 266676, 281700, 333345, 355568, 375600, 400014, 444460, 533352, 555575, 563400, 666690, 800028, 888920, 1000035, 1066704, 1111150, 1126800, 1333380, 1600056, 1666725, 1777840, 2000070, 2222300, 2666760, 3200112, 3333450, 4000140, 4444600, 5000175, 5333520, 6666900, 8000280, 8889200, 10000350, 13333800, 16000560, 20000700, 26667600, 40001400, 80002800]

約数ペア:

[(1, 80002800), (2, 40001400), (3, 26667600), (4, 20000700), (5, 16000560), (6, 13333800), (8, 10000350), (9, 8889200), (10, 8000280), (12, 6666900), (15, 5333520), (16, 5000175), (18, 4444600), (20, 4000140), (24, 3333450), (25, 3200112), (30, 2666760), (36, 2222300), (40, 2000070), (45, 1777840), (48, 1666725), (50, 1600056), (60, 1333380), (71, 1126800), (72, 1111150), (75, 1066704), (80, 1000035), (90, 888920), (100, 800028), (120, 666690), (142, 563400), (144, 555575), (150, 533352), (180, 444460), (200, 400014), (213, 375600), (225, 355568), (240, 333345), (284, 281700), (300, 266676), (313, 255600), (355, 225360), (360, 222230), (400, 200007), (426, 187800), (450, 177784), (568, 140850), (600, 133338), (626, 127800), (639, 125200), (710, 112680), (720, 111115), (852, 93900), (900, 88892), (939, 85200), (1065, 75120), (1136, 70425), (1200, 66669), (1252, 63900), (1278, 62600), (1420, 56340), (1565, 51120), (1704, 46950), (1775, 45072), (1800, 44446), (1878, 42600), (2130, 37560), (2504, 31950), (2556, 31300), (2817, 28400), (2840, 28170), (3130, 25560), (3195, 25040), (3408, 23475), (3550, 22536), (3600, 22223), (3756, 21300), (4260, 18780), (4695, 17040), (5008, 15975), (5112, 15650), (5325, 15024), (5634, 14200), (5680, 14085), (6260, 12780), (6390, 12520), (7100, 11268), (7512, 10650), (7825, 10224), (8520, 9390)]