209784120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19211}}^1$

素因数の和:19245

約数の個数: 128

約数和(自身を含む): 774627840

約数和(自身を除く): 564843720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19211, 38422, 57633, 76844, 96055, 115266, 134477, 153688, 192110, 230532, 249743, 268954, 288165, 384220, 403431, 461064, 499486, 537908, 576330, 672385, 749229, 768440, 806862, 998972, 1075816, 1152660, 1248715, 1344770, 1498458, 1613724, 1748201, 1997944, 2017155, 2305320, 2497430, 2689540, 2996916, 3227448, 3496402, 3746145, 4034310, 4994860, 5244603, 5379080, 5993832, 6992804, 7492290, 8068620, 8741005, 9989720, 10489206, 13985608, 14984580, 16137240, 17482010, 20978412, 26223015, 29969160, 34964020, 41956824, 52446030, 69928040, 104892060, 209784120]

約数ペア:

[(1, 209784120), (2, 104892060), (3, 69928040), (4, 52446030), (5, 41956824), (6, 34964020), (7, 29969160), (8, 26223015), (10, 20978412), (12, 17482010), (13, 16137240), (14, 14984580), (15, 13985608), (20, 10489206), (21, 9989720), (24, 8741005), (26, 8068620), (28, 7492290), (30, 6992804), (35, 5993832), (39, 5379080), (40, 5244603), (42, 4994860), (52, 4034310), (56, 3746145), (60, 3496402), (65, 3227448), (70, 2996916), (78, 2689540), (84, 2497430), (91, 2305320), (104, 2017155), (105, 1997944), (120, 1748201), (130, 1613724), (140, 1498458), (156, 1344770), (168, 1248715), (182, 1152660), (195, 1075816), (210, 998972), (260, 806862), (273, 768440), (280, 749229), (312, 672385), (364, 576330), (390, 537908), (420, 499486), (455, 461064), (520, 403431), (546, 384220), (728, 288165), (780, 268954), (840, 249743), (910, 230532), (1092, 192110), (1365, 153688), (1560, 134477), (1820, 115266), (2184, 96055), (2730, 76844), (3640, 57633), (5460, 38422), (10920, 19211)]