84000280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 238049280

約数和(自身を除く): 154049000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 91, 94, 104, 130, 140, 182, 188, 235, 260, 280, 329, 364, 376, 455, 470, 491, 520, 611, 658, 728, 910, 940, 982, 1222, 1316, 1645, 1820, 1880, 1964, 2444, 2455, 2632, 3055, 3290, 3437, 3640, 3928, 4277, 4888, 4910, 6110, 6383, 6580, 6874, 8554, 9820, 12220, 12766, 13160, 13748, 17108, 17185, 19640, 21385, 23077, 24440, 25532, 27496, 31915, 34216, 34370, 42770, 44681, 46154, 51064, 63830, 68740, 85540, 89362, 92308, 115385, 127660, 137480, 161539, 171080, 178724, 184616, 223405, 230770, 255320, 300001, 323078, 357448, 446810, 461540, 600002, 646156, 807695, 893620, 923080, 1200004, 1292312, 1500005, 1615390, 1787240, 2100007, 2400008, 3000010, 3230780, 4200014, 6000020, 6461560, 8400028, 10500035, 12000040, 16800056, 21000070, 42000140, 84000280]

約数ペア:

[(1, 84000280), (2, 42000140), (4, 21000070), (5, 16800056), (7, 12000040), (8, 10500035), (10, 8400028), (13, 6461560), (14, 6000020), (20, 4200014), (26, 3230780), (28, 3000010), (35, 2400008), (40, 2100007), (47, 1787240), (52, 1615390), (56, 1500005), (65, 1292312), (70, 1200004), (91, 923080), (94, 893620), (104, 807695), (130, 646156), (140, 600002), (182, 461540), (188, 446810), (235, 357448), (260, 323078), (280, 300001), (329, 255320), (364, 230770), (376, 223405), (455, 184616), (470, 178724), (491, 171080), (520, 161539), (611, 137480), (658, 127660), (728, 115385), (910, 92308), (940, 89362), (982, 85540), (1222, 68740), (1316, 63830), (1645, 51064), (1820, 46154), (1880, 44681), (1964, 42770), (2444, 34370), (2455, 34216), (2632, 31915), (3055, 27496), (3290, 25532), (3437, 24440), (3640, 23077), (3928, 21385), (4277, 19640), (4888, 17185), (4910, 17108), (6110, 13748), (6383, 13160), (6580, 12766), (6874, 12220), (8554, 9820)]