2151240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 7983360

約数和(自身を除く): 5832120

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, 197, 210, 260, 273, 280, 312, 364, 390, 394, 420, 455, 520, 546, 591, 728, 780, 788, 840, 910, 985, 1092, 1182, 1365, 1379, 1560, 1576, 1820, 1970, 2184, 2364, 2561, 2730, 2758, 2955, 3640, 3940, 4137, 4728, 5122, 5460, 5516, 5910, 6895, 7683, 7880, 8274, 10244, 10920, 11032, 11820, 12805, 13790, 15366, 16548, 17927, 20488, 20685, 23640, 25610, 27580, 30732, 33096, 35854, 38415, 41370, 51220, 53781, 55160, 61464, 71708, 76830, 82740, 89635, 102440, 107562, 143416, 153660, 165480, 179270, 215124, 268905, 307320, 358540, 430248, 537810, 717080, 1075620, 2151240]

約数ペア:

[(1, 2151240), (2, 1075620), (3, 717080), (4, 537810), (5, 430248), (6, 358540), (7, 307320), (8, 268905), (10, 215124), (12, 179270), (13, 165480), (14, 153660), (15, 143416), (20, 107562), (21, 102440), (24, 89635), (26, 82740), (28, 76830), (30, 71708), (35, 61464), (39, 55160), (40, 53781), (42, 51220), (52, 41370), (56, 38415), (60, 35854), (65, 33096), (70, 30732), (78, 27580), (84, 25610), (91, 23640), (104, 20685), (105, 20488), (120, 17927), (130, 16548), (140, 15366), (156, 13790), (168, 12805), (182, 11820), (195, 11032), (197, 10920), (210, 10244), (260, 8274), (273, 7880), (280, 7683), (312, 6895), (364, 5910), (390, 5516), (394, 5460), (420, 5122), (455, 4728), (520, 4137), (546, 3940), (591, 3640), (728, 2955), (780, 2758), (788, 2730), (840, 2561), (910, 2364), (985, 2184), (1092, 1970), (1182, 1820), (1365, 1576), (1379, 1560)]