81172000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 246564864

約数和(自身を除く): 165392864

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 125, 130, 140, 160, 175, 182, 200, 208, 223, 224, 250, 260, 280, 325, 350, 364, 400, 416, 446, 455, 500, 520, 560, 650, 700, 728, 800, 875, 892, 910, 1000, 1040, 1115, 1120, 1300, 1400, 1456, 1561, 1625, 1750, 1784, 1820, 2000, 2080, 2230, 2275, 2600, 2800, 2899, 2912, 3122, 3250, 3500, 3568, 3640, 4000, 4460, 4550, 5200, 5575, 5600, 5798, 6244, 6500, 7000, 7136, 7280, 7805, 8920, 9100, 10400, 11150, 11375, 11596, 12488, 13000, 14000, 14495, 14560, 15610, 17840, 18200, 20293, 22300, 22750, 23192, 24976, 26000, 27875, 28000, 28990, 31220, 35680, 36400, 39025, 40586, 44600, 45500, 46384, 49952, 52000, 55750, 57980, 62440, 72475, 72800, 78050, 81172, 89200, 91000, 92768, 101465, 111500, 115960, 124880, 144950, 156100, 162344, 178400, 182000, 195125, 202930, 223000, 231920, 249760, 289900, 312200, 324688, 362375, 364000, 390250, 405860, 446000, 463840, 507325, 579800, 624400, 649376, 724750, 780500, 811720, 892000, 1014650, 1159600, 1248800, 1449500, 1561000, 1623440, 2029300, 2319200, 2536625, 2899000, 3122000, 3246880, 4058600, 5073250, 5798000, 6244000, 8117200, 10146500, 11596000, 16234400, 20293000, 40586000, 81172000]

約数ペア:

[(1, 81172000), (2, 40586000), (4, 20293000), (5, 16234400), (7, 11596000), (8, 10146500), (10, 8117200), (13, 6244000), (14, 5798000), (16, 5073250), (20, 4058600), (25, 3246880), (26, 3122000), (28, 2899000), (32, 2536625), (35, 2319200), (40, 2029300), (50, 1623440), (52, 1561000), (56, 1449500), (65, 1248800), (70, 1159600), (80, 1014650), (91, 892000), (100, 811720), (104, 780500), (112, 724750), (125, 649376), (130, 624400), (140, 579800), (160, 507325), (175, 463840), (182, 446000), (200, 405860), (208, 390250), (223, 364000), (224, 362375), (250, 324688), (260, 312200), (280, 289900), (325, 249760), (350, 231920), (364, 223000), (400, 202930), (416, 195125), (446, 182000), (455, 178400), (500, 162344), (520, 156100), (560, 144950), (650, 124880), (700, 115960), (728, 111500), (800, 101465), (875, 92768), (892, 91000), (910, 89200), (1000, 81172), (1040, 78050), (1115, 72800), (1120, 72475), (1300, 62440), (1400, 57980), (1456, 55750), (1561, 52000), (1625, 49952), (1750, 46384), (1784, 45500), (1820, 44600), (2000, 40586), (2080, 39025), (2230, 36400), (2275, 35680), (2600, 31220), (2800, 28990), (2899, 28000), (2912, 27875), (3122, 26000), (3250, 24976), (3500, 23192), (3568, 22750), (3640, 22300), (4000, 20293), (4460, 18200), (4550, 17840), (5200, 15610), (5575, 14560), (5600, 14495), (5798, 14000), (6244, 13000), (6500, 12488), (7000, 11596), (7136, 11375), (7280, 11150), (7805, 10400), (8920, 9100)]