128159600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:483

約数の個数: 120

約数和(自身を含む): 333782208

約数和(自身を除く): 205622608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 47, 50, 68, 80, 85, 94, 100, 136, 170, 188, 200, 235, 272, 340, 376, 400, 401, 425, 470, 680, 752, 799, 802, 850, 940, 1175, 1360, 1598, 1604, 1700, 1880, 2005, 2350, 3196, 3208, 3400, 3760, 3995, 4010, 4700, 6392, 6416, 6800, 6817, 7990, 8020, 9400, 10025, 12784, 13634, 15980, 16040, 18800, 18847, 19975, 20050, 27268, 31960, 32080, 34085, 37694, 39950, 40100, 54536, 63920, 68170, 75388, 79900, 80200, 94235, 109072, 136340, 150776, 159800, 160400, 170425, 188470, 272680, 301552, 319600, 320399, 340850, 376940, 471175, 545360, 640798, 681700, 753880, 942350, 1281596, 1363400, 1507760, 1601995, 1884700, 2563192, 2726800, 3203990, 3769400, 5126384, 6407980, 7538800, 8009975, 12815960, 16019950, 25631920, 32039900, 64079800, 128159600]

約数ペア:

[(1, 128159600), (2, 64079800), (4, 32039900), (5, 25631920), (8, 16019950), (10, 12815960), (16, 8009975), (17, 7538800), (20, 6407980), (25, 5126384), (34, 3769400), (40, 3203990), (47, 2726800), (50, 2563192), (68, 1884700), (80, 1601995), (85, 1507760), (94, 1363400), (100, 1281596), (136, 942350), (170, 753880), (188, 681700), (200, 640798), (235, 545360), (272, 471175), (340, 376940), (376, 340850), (400, 320399), (401, 319600), (425, 301552), (470, 272680), (680, 188470), (752, 170425), (799, 160400), (802, 159800), (850, 150776), (940, 136340), (1175, 109072), (1360, 94235), (1598, 80200), (1604, 79900), (1700, 75388), (1880, 68170), (2005, 63920), (2350, 54536), (3196, 40100), (3208, 39950), (3400, 37694), (3760, 34085), (3995, 32080), (4010, 31960), (4700, 27268), (6392, 20050), (6416, 19975), (6800, 18847), (6817, 18800), (7990, 16040), (8020, 15980), (9400, 13634), (10025, 12784)]