272191720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8329}}^1$

素因数の和:8402

約数の個数: 64

約数和(自身を含む): 659736000

約数和(自身を除く): 387544280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 8329, 16340, 16658, 32680, 33316, 41645, 66632, 83290, 158251, 166580, 316502, 333160, 358147, 633004, 716294, 791255, 1266008, 1432588, 1582510, 1790735, 2865176, 3165020, 3581470, 6330040, 6804793, 7162940, 13609586, 14325880, 27219172, 34023965, 54438344, 68047930, 136095860, 272191720]

約数ペア:

[(1, 272191720), (2, 136095860), (4, 68047930), (5, 54438344), (8, 34023965), (10, 27219172), (19, 14325880), (20, 13609586), (38, 7162940), (40, 6804793), (43, 6330040), (76, 3581470), (86, 3165020), (95, 2865176), (152, 1790735), (172, 1582510), (190, 1432588), (215, 1266008), (344, 791255), (380, 716294), (430, 633004), (760, 358147), (817, 333160), (860, 316502), (1634, 166580), (1720, 158251), (3268, 83290), (4085, 66632), (6536, 41645), (8170, 33316), (8329, 32680), (16340, 16658)]