15181000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 40435200

約数和(自身を除く): 25254200

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 47, 50, 68, 76, 85, 94, 95, 100, 125, 136, 152, 170, 188, 190, 200, 235, 250, 323, 340, 376, 380, 425, 470, 475, 500, 646, 680, 760, 799, 850, 893, 940, 950, 1000, 1175, 1292, 1598, 1615, 1700, 1786, 1880, 1900, 2125, 2350, 2375, 2584, 3196, 3230, 3400, 3572, 3800, 3995, 4250, 4465, 4700, 4750, 5875, 6392, 6460, 7144, 7990, 8075, 8500, 8930, 9400, 9500, 11750, 12920, 15181, 15980, 16150, 17000, 17860, 19000, 19975, 22325, 23500, 30362, 31960, 32300, 35720, 39950, 40375, 44650, 47000, 60724, 64600, 75905, 79900, 80750, 89300, 99875, 111625, 121448, 151810, 159800, 161500, 178600, 199750, 223250, 303620, 323000, 379525, 399500, 446500, 607240, 759050, 799000, 893000, 1518100, 1897625, 3036200, 3795250, 7590500, 15181000]

約数ペア:

[(1, 15181000), (2, 7590500), (4, 3795250), (5, 3036200), (8, 1897625), (10, 1518100), (17, 893000), (19, 799000), (20, 759050), (25, 607240), (34, 446500), (38, 399500), (40, 379525), (47, 323000), (50, 303620), (68, 223250), (76, 199750), (85, 178600), (94, 161500), (95, 159800), (100, 151810), (125, 121448), (136, 111625), (152, 99875), (170, 89300), (188, 80750), (190, 79900), (200, 75905), (235, 64600), (250, 60724), (323, 47000), (340, 44650), (376, 40375), (380, 39950), (425, 35720), (470, 32300), (475, 31960), (500, 30362), (646, 23500), (680, 22325), (760, 19975), (799, 19000), (850, 17860), (893, 17000), (940, 16150), (950, 15980), (1000, 15181), (1175, 12920), (1292, 11750), (1598, 9500), (1615, 9400), (1700, 8930), (1786, 8500), (1880, 8075), (1900, 7990), (2125, 7144), (2350, 6460), (2375, 6392), (2584, 5875), (3196, 4750), (3230, 4700), (3400, 4465), (3572, 4250), (3800, 3995)]