89440120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 255052800

約数和(自身を除く): 165612680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 385, 409, 440, 497, 568, 616, 710, 770, 781, 818, 994, 1420, 1540, 1562, 1636, 1988, 2045, 2485, 2840, 2863, 3080, 3124, 3272, 3905, 3976, 4090, 4499, 4970, 5467, 5726, 6248, 7810, 8180, 8998, 9940, 10934, 11452, 14315, 15620, 16360, 17996, 19880, 21868, 22495, 22904, 27335, 28630, 29039, 31240, 31493, 35992, 43736, 44990, 54670, 57260, 58078, 62986, 89980, 109340, 114520, 116156, 125972, 145195, 157465, 179960, 203273, 218680, 232312, 251944, 290390, 314930, 319429, 406546, 580780, 629860, 638858, 813092, 1016365, 1161560, 1259720, 1277716, 1597145, 1626184, 2032730, 2236003, 2555432, 3194290, 4065460, 4472006, 6388580, 8130920, 8944012, 11180015, 12777160, 17888024, 22360030, 44720060, 89440120]

約数ペア:

[(1, 89440120), (2, 44720060), (4, 22360030), (5, 17888024), (7, 12777160), (8, 11180015), (10, 8944012), (11, 8130920), (14, 6388580), (20, 4472006), (22, 4065460), (28, 3194290), (35, 2555432), (40, 2236003), (44, 2032730), (55, 1626184), (56, 1597145), (70, 1277716), (71, 1259720), (77, 1161560), (88, 1016365), (110, 813092), (140, 638858), (142, 629860), (154, 580780), (220, 406546), (280, 319429), (284, 314930), (308, 290390), (355, 251944), (385, 232312), (409, 218680), (440, 203273), (497, 179960), (568, 157465), (616, 145195), (710, 125972), (770, 116156), (781, 114520), (818, 109340), (994, 89980), (1420, 62986), (1540, 58078), (1562, 57260), (1636, 54670), (1988, 44990), (2045, 43736), (2485, 35992), (2840, 31493), (2863, 31240), (3080, 29039), (3124, 28630), (3272, 27335), (3905, 22904), (3976, 22495), (4090, 21868), (4499, 19880), (4970, 17996), (5467, 16360), (5726, 15620), (6248, 14315), (7810, 11452), (8180, 10934), (8998, 9940)]