31225480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 84913920

約数和(自身を除く): 53688440

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 53, 55, 65, 88, 103, 104, 106, 110, 130, 143, 206, 212, 220, 260, 265, 286, 412, 424, 440, 515, 520, 530, 572, 583, 689, 715, 824, 1030, 1060, 1133, 1144, 1166, 1339, 1378, 1430, 2060, 2120, 2266, 2332, 2678, 2756, 2860, 2915, 3445, 4120, 4532, 4664, 5356, 5459, 5512, 5665, 5720, 5830, 6695, 6890, 7579, 9064, 10712, 10918, 11330, 11660, 13390, 13780, 14729, 15158, 21836, 22660, 23320, 26780, 27295, 27560, 29458, 30316, 37895, 43672, 45320, 53560, 54590, 58916, 60049, 60632, 70967, 73645, 75790, 109180, 117832, 120098, 141934, 147290, 151580, 218360, 240196, 283868, 294580, 300245, 303160, 354835, 480392, 567736, 589160, 600490, 709670, 780637, 1200980, 1419340, 1561274, 2401960, 2838680, 3122548, 3903185, 6245096, 7806370, 15612740, 31225480]

約数ペア:

[(1, 31225480), (2, 15612740), (4, 7806370), (5, 6245096), (8, 3903185), (10, 3122548), (11, 2838680), (13, 2401960), (20, 1561274), (22, 1419340), (26, 1200980), (40, 780637), (44, 709670), (52, 600490), (53, 589160), (55, 567736), (65, 480392), (88, 354835), (103, 303160), (104, 300245), (106, 294580), (110, 283868), (130, 240196), (143, 218360), (206, 151580), (212, 147290), (220, 141934), (260, 120098), (265, 117832), (286, 109180), (412, 75790), (424, 73645), (440, 70967), (515, 60632), (520, 60049), (530, 58916), (572, 54590), (583, 53560), (689, 45320), (715, 43672), (824, 37895), (1030, 30316), (1060, 29458), (1133, 27560), (1144, 27295), (1166, 26780), (1339, 23320), (1378, 22660), (1430, 21836), (2060, 15158), (2120, 14729), (2266, 13780), (2332, 13390), (2678, 11660), (2756, 11330), (2860, 10918), (2915, 10712), (3445, 9064), (4120, 7579), (4532, 6890), (4664, 6695), (5356, 5830), (5459, 5720), (5512, 5665)]