131291680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 192

約数和(自身を含む): 365783040

約数和(自身を除く): 234491360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 47, 52, 65, 68, 79, 80, 85, 94, 104, 130, 136, 158, 160, 170, 188, 208, 221, 235, 260, 272, 316, 340, 376, 395, 416, 442, 470, 520, 544, 611, 632, 680, 752, 790, 799, 884, 940, 1027, 1040, 1105, 1222, 1264, 1343, 1360, 1504, 1580, 1598, 1768, 1880, 2054, 2080, 2210, 2444, 2528, 2686, 2720, 3055, 3160, 3196, 3536, 3713, 3760, 3995, 4108, 4420, 4888, 5135, 5372, 6110, 6320, 6392, 6715, 7072, 7426, 7520, 7990, 8216, 8840, 9776, 10270, 10387, 10744, 12220, 12640, 12784, 13430, 14852, 15980, 16432, 17459, 17680, 18565, 19552, 20540, 20774, 21488, 24440, 25568, 26860, 29704, 31960, 32864, 34918, 35360, 37130, 41080, 41548, 42976, 48269, 48880, 51935, 53720, 59408, 63121, 63920, 69836, 74260, 82160, 83096, 87295, 96538, 97760, 103870, 107440, 118816, 126242, 127840, 139672, 148520, 164320, 166192, 174590, 193076, 207740, 214880, 241345, 252484, 279344, 297040, 315605, 332384, 349180, 386152, 415480, 482690, 504968, 558688, 594080, 631210, 698360, 772304, 820573, 830960, 965380, 1009936, 1262420, 1396720, 1544608, 1641146, 1661920, 1930760, 2019872, 2524840, 2793440, 3282292, 3861520, 4102865, 5049680, 6564584, 7723040, 8205730, 10099360, 13129168, 16411460, 26258336, 32822920, 65645840, 131291680]

約数ペア:

[(1, 131291680), (2, 65645840), (4, 32822920), (5, 26258336), (8, 16411460), (10, 13129168), (13, 10099360), (16, 8205730), (17, 7723040), (20, 6564584), (26, 5049680), (32, 4102865), (34, 3861520), (40, 3282292), (47, 2793440), (52, 2524840), (65, 2019872), (68, 1930760), (79, 1661920), (80, 1641146), (85, 1544608), (94, 1396720), (104, 1262420), (130, 1009936), (136, 965380), (158, 830960), (160, 820573), (170, 772304), (188, 698360), (208, 631210), (221, 594080), (235, 558688), (260, 504968), (272, 482690), (316, 415480), (340, 386152), (376, 349180), (395, 332384), (416, 315605), (442, 297040), (470, 279344), (520, 252484), (544, 241345), (611, 214880), (632, 207740), (680, 193076), (752, 174590), (790, 166192), (799, 164320), (884, 148520), (940, 139672), (1027, 127840), (1040, 126242), (1105, 118816), (1222, 107440), (1264, 103870), (1343, 97760), (1360, 96538), (1504, 87295), (1580, 83096), (1598, 82160), (1768, 74260), (1880, 69836), (2054, 63920), (2080, 63121), (2210, 59408), (2444, 53720), (2528, 51935), (2686, 48880), (2720, 48269), (3055, 42976), (3160, 41548), (3196, 41080), (3536, 37130), (3713, 35360), (3760, 34918), (3995, 32864), (4108, 31960), (4420, 29704), (4888, 26860), (5135, 25568), (5372, 24440), (6110, 21488), (6320, 20774), (6392, 20540), (6715, 19552), (7072, 18565), (7426, 17680), (7520, 17459), (7990, 16432), (8216, 15980), (8840, 14852), (9776, 13430), (10270, 12784), (10387, 12640), (10744, 12220)]