82869640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 230918400

約数和(自身を除く): 148048760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 95, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 370, 380, 421, 518, 532, 665, 703, 740, 760, 842, 1036, 1064, 1295, 1330, 1406, 1480, 1684, 2072, 2105, 2590, 2660, 2812, 2947, 3368, 3515, 4210, 4921, 5180, 5320, 5624, 5894, 7030, 7999, 8420, 9842, 10360, 11788, 14060, 14735, 15577, 15998, 16840, 19684, 23576, 24605, 28120, 29470, 31154, 31996, 39368, 39995, 49210, 55993, 58940, 62308, 63992, 77885, 79990, 98420, 109039, 111986, 117880, 124616, 155770, 159980, 196840, 218078, 223972, 279965, 295963, 311540, 319960, 436156, 447944, 545195, 559930, 591926, 623080, 872312, 1090390, 1119860, 1183852, 1479815, 2071741, 2180780, 2239720, 2367704, 2959630, 4143482, 4361560, 5919260, 8286964, 10358705, 11838520, 16573928, 20717410, 41434820, 82869640]

約数ペア:

[(1, 82869640), (2, 41434820), (4, 20717410), (5, 16573928), (7, 11838520), (8, 10358705), (10, 8286964), (14, 5919260), (19, 4361560), (20, 4143482), (28, 2959630), (35, 2367704), (37, 2239720), (38, 2180780), (40, 2071741), (56, 1479815), (70, 1183852), (74, 1119860), (76, 1090390), (95, 872312), (133, 623080), (140, 591926), (148, 559930), (152, 545195), (185, 447944), (190, 436156), (259, 319960), (266, 311540), (280, 295963), (296, 279965), (370, 223972), (380, 218078), (421, 196840), (518, 159980), (532, 155770), (665, 124616), (703, 117880), (740, 111986), (760, 109039), (842, 98420), (1036, 79990), (1064, 77885), (1295, 63992), (1330, 62308), (1406, 58940), (1480, 55993), (1684, 49210), (2072, 39995), (2105, 39368), (2590, 31996), (2660, 31154), (2812, 29470), (2947, 28120), (3368, 24605), (3515, 23576), (4210, 19684), (4921, 16840), (5180, 15998), (5320, 15577), (5624, 14735), (5894, 14060), (7030, 11788), (7999, 10360), (8420, 9842)]