191312520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11987}}^1$

素因数の和:12027

約数の個数: 128

約数和(自身を含む): 690508800

約数和(自身を除く): 499196280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 11987, 15960, 23974, 35961, 47948, 59935, 71922, 83909, 95896, 119870, 143844, 167818, 179805, 227753, 239740, 251727, 287688, 335636, 359610, 419545, 455506, 479480, 503454, 671272, 683259, 719220, 839090, 911012, 1006908, 1138765, 1258635, 1366518, 1438440, 1594271, 1678180, 1822024, 2013816, 2277530, 2517270, 2733036, 3188542, 3356360, 3416295, 4555060, 4782813, 5034540, 5466072, 6377084, 6832590, 7971355, 9110120, 9565626, 10069080, 12754168, 13665180, 15942710, 19131252, 23914065, 27330360, 31885420, 38262504, 47828130, 63770840, 95656260, 191312520]

約数ペア:

[(1, 191312520), (2, 95656260), (3, 63770840), (4, 47828130), (5, 38262504), (6, 31885420), (7, 27330360), (8, 23914065), (10, 19131252), (12, 15942710), (14, 13665180), (15, 12754168), (19, 10069080), (20, 9565626), (21, 9110120), (24, 7971355), (28, 6832590), (30, 6377084), (35, 5466072), (38, 5034540), (40, 4782813), (42, 4555060), (56, 3416295), (57, 3356360), (60, 3188542), (70, 2733036), (76, 2517270), (84, 2277530), (95, 2013816), (105, 1822024), (114, 1678180), (120, 1594271), (133, 1438440), (140, 1366518), (152, 1258635), (168, 1138765), (190, 1006908), (210, 911012), (228, 839090), (266, 719220), (280, 683259), (285, 671272), (380, 503454), (399, 479480), (420, 455506), (456, 419545), (532, 359610), (570, 335636), (665, 287688), (760, 251727), (798, 239740), (840, 227753), (1064, 179805), (1140, 167818), (1330, 143844), (1596, 119870), (1995, 95896), (2280, 83909), (2660, 71922), (3192, 59935), (3990, 47948), (5320, 35961), (7980, 23974), (11987, 15960)]