204145480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:947

約数の個数: 128

約数和(自身を含む): 580608000

約数和(自身を除く): 376462520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 280, 308, 316, 385, 395, 440, 553, 616, 632, 770, 790, 839, 869, 1106, 1540, 1580, 1678, 1738, 2212, 2765, 3080, 3160, 3356, 3476, 4195, 4345, 4424, 5530, 5873, 6083, 6712, 6952, 8390, 8690, 9229, 11060, 11746, 12166, 16780, 17380, 18458, 22120, 23492, 24332, 29365, 30415, 33560, 34760, 36916, 46145, 46984, 48664, 58730, 60830, 64603, 66281, 73832, 92290, 117460, 121660, 129206, 132562, 184580, 234920, 243320, 258412, 265124, 323015, 331405, 369160, 463967, 516824, 530248, 646030, 662810, 729091, 927934, 1292060, 1325620, 1458182, 1855868, 2319835, 2584120, 2651240, 2916364, 3645455, 3711736, 4639670, 5103637, 5832728, 7290910, 9279340, 10207274, 14581820, 18558680, 20414548, 25518185, 29163640, 40829096, 51036370, 102072740, 204145480]

約数ペア:

[(1, 204145480), (2, 102072740), (4, 51036370), (5, 40829096), (7, 29163640), (8, 25518185), (10, 20414548), (11, 18558680), (14, 14581820), (20, 10207274), (22, 9279340), (28, 7290910), (35, 5832728), (40, 5103637), (44, 4639670), (55, 3711736), (56, 3645455), (70, 2916364), (77, 2651240), (79, 2584120), (88, 2319835), (110, 1855868), (140, 1458182), (154, 1325620), (158, 1292060), (220, 927934), (280, 729091), (308, 662810), (316, 646030), (385, 530248), (395, 516824), (440, 463967), (553, 369160), (616, 331405), (632, 323015), (770, 265124), (790, 258412), (839, 243320), (869, 234920), (1106, 184580), (1540, 132562), (1580, 129206), (1678, 121660), (1738, 117460), (2212, 92290), (2765, 73832), (3080, 66281), (3160, 64603), (3356, 60830), (3476, 58730), (4195, 48664), (4345, 46984), (4424, 46145), (5530, 36916), (5873, 34760), (6083, 33560), (6712, 30415), (6952, 29365), (8390, 24332), (8690, 23492), (9229, 22120), (11060, 18458), (11746, 17380), (12166, 16780)]