287862640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 760326336

約数和(自身を除く): 472463696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 43, 52, 65, 80, 82, 86, 104, 130, 157, 164, 172, 205, 208, 215, 260, 314, 328, 344, 410, 430, 520, 533, 559, 628, 656, 688, 785, 820, 860, 1040, 1066, 1118, 1256, 1570, 1640, 1720, 1763, 2041, 2132, 2236, 2512, 2665, 2795, 3140, 3280, 3440, 3526, 4082, 4264, 4472, 5330, 5590, 6280, 6437, 6751, 7052, 8164, 8528, 8815, 8944, 10205, 10660, 11180, 12560, 12874, 13502, 14104, 16328, 17630, 20410, 21320, 22360, 22919, 25748, 27004, 28208, 32185, 32656, 33755, 35260, 40820, 42640, 44720, 45838, 51496, 54008, 64370, 67510, 70520, 81640, 83681, 87763, 91676, 102992, 108016, 114595, 128740, 135020, 141040, 163280, 167362, 175526, 183352, 229190, 257480, 270040, 276791, 334724, 351052, 366704, 418405, 438815, 458380, 514960, 540080, 553582, 669448, 702104, 836810, 877630, 916760, 1107164, 1338896, 1383955, 1404208, 1673620, 1755260, 1833520, 2214328, 2767910, 3347240, 3510520, 3598283, 4428656, 5535820, 6694480, 7021040, 7196566, 11071640, 14393132, 17991415, 22143280, 28786264, 35982830, 57572528, 71965660, 143931320, 287862640]

約数ペア:

[(1, 287862640), (2, 143931320), (4, 71965660), (5, 57572528), (8, 35982830), (10, 28786264), (13, 22143280), (16, 17991415), (20, 14393132), (26, 11071640), (40, 7196566), (41, 7021040), (43, 6694480), (52, 5535820), (65, 4428656), (80, 3598283), (82, 3510520), (86, 3347240), (104, 2767910), (130, 2214328), (157, 1833520), (164, 1755260), (172, 1673620), (205, 1404208), (208, 1383955), (215, 1338896), (260, 1107164), (314, 916760), (328, 877630), (344, 836810), (410, 702104), (430, 669448), (520, 553582), (533, 540080), (559, 514960), (628, 458380), (656, 438815), (688, 418405), (785, 366704), (820, 351052), (860, 334724), (1040, 276791), (1066, 270040), (1118, 257480), (1256, 229190), (1570, 183352), (1640, 175526), (1720, 167362), (1763, 163280), (2041, 141040), (2132, 135020), (2236, 128740), (2512, 114595), (2665, 108016), (2795, 102992), (3140, 91676), (3280, 87763), (3440, 83681), (3526, 81640), (4082, 70520), (4264, 67510), (4472, 64370), (5330, 54008), (5590, 51496), (6280, 45838), (6437, 44720), (6751, 42640), (7052, 40820), (8164, 35260), (8528, 33755), (8815, 32656), (8944, 32185), (10205, 28208), (10660, 27004), (11180, 25748), (12560, 22919), (12874, 22360), (13502, 21320), (14104, 20410), (16328, 17630)]