321787440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1172

約数の個数: 240

約数和(自身を含む): 1202423040

約数和(自身を除く): 880635600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 1040, 1109, 1116, 1170, 1209, 1240, 1395, 1488, 1560, 1612, 1860, 1872, 2015, 2218, 2232, 2340, 2418, 2480, 2790, 3120, 3224, 3327, 3627, 3720, 4030, 4436, 4464, 4680, 4836, 5545, 5580, 6045, 6448, 6654, 7254, 7440, 8060, 8872, 9360, 9672, 9981, 11090, 11160, 12090, 13308, 14417, 14508, 16120, 16635, 17744, 18135, 19344, 19962, 22180, 22320, 24180, 26616, 28834, 29016, 32240, 33270, 34379, 36270, 39924, 43251, 44360, 48360, 49905, 53232, 57668, 58032, 66540, 68758, 72085, 72540, 79848, 86502, 88720, 96720, 99810, 103137, 115336, 129753, 133080, 137516, 144170, 145080, 159696, 171895, 173004, 199620, 206274, 216255, 230672, 259506, 266160, 275032, 288340, 290160, 309411, 343790, 346008, 399240, 412548, 432510, 446927, 515685, 519012, 550064, 576680, 618822, 648765, 687580, 692016, 798480, 825096, 865020, 893854, 1031370, 1038024, 1153360, 1237644, 1297530, 1340781, 1375160, 1547055, 1650192, 1730040, 1787708, 2062740, 2076048, 2234635, 2475288, 2595060, 2681562, 2750320, 3094110, 3460080, 3575416, 4022343, 4125480, 4469270, 4950576, 5190120, 5363124, 6188220, 6703905, 7150832, 8044686, 8250960, 8938540, 10380240, 10726248, 12376440, 13407810, 16089372, 17877080, 20111715, 21452496, 24752880, 26815620, 32178744, 35754160, 40223430, 53631240, 64357488, 80446860, 107262480, 160893720, 321787440]

約数ペア:

[(1, 321787440), (2, 160893720), (3, 107262480), (4, 80446860), (5, 64357488), (6, 53631240), (8, 40223430), (9, 35754160), (10, 32178744), (12, 26815620), (13, 24752880), (15, 21452496), (16, 20111715), (18, 17877080), (20, 16089372), (24, 13407810), (26, 12376440), (30, 10726248), (31, 10380240), (36, 8938540), (39, 8250960), (40, 8044686), (45, 7150832), (48, 6703905), (52, 6188220), (60, 5363124), (62, 5190120), (65, 4950576), (72, 4469270), (78, 4125480), (80, 4022343), (90, 3575416), (93, 3460080), (104, 3094110), (117, 2750320), (120, 2681562), (124, 2595060), (130, 2475288), (144, 2234635), (155, 2076048), (156, 2062740), (180, 1787708), (186, 1730040), (195, 1650192), (208, 1547055), (234, 1375160), (240, 1340781), (248, 1297530), (260, 1237644), (279, 1153360), (310, 1038024), (312, 1031370), (360, 893854), (372, 865020), (390, 825096), (403, 798480), (465, 692016), (468, 687580), (496, 648765), (520, 618822), (558, 576680), (585, 550064), (620, 519012), (624, 515685), (720, 446927), (744, 432510), (780, 412548), (806, 399240), (930, 346008), (936, 343790), (1040, 309411), (1109, 290160), (1116, 288340), (1170, 275032), (1209, 266160), (1240, 259506), (1395, 230672), (1488, 216255), (1560, 206274), (1612, 199620), (1860, 173004), (1872, 171895), (2015, 159696), (2218, 145080), (2232, 144170), (2340, 137516), (2418, 133080), (2480, 129753), (2790, 115336), (3120, 103137), (3224, 99810), (3327, 96720), (3627, 88720), (3720, 86502), (4030, 79848), (4436, 72540), (4464, 72085), (4680, 68758), (4836, 66540), (5545, 58032), (5580, 57668), (6045, 53232), (6448, 49905), (6654, 48360), (7254, 44360), (7440, 43251), (8060, 39924), (8872, 36270), (9360, 34379), (9672, 33270), (9981, 32240), (11090, 29016), (11160, 28834), (12090, 26616), (13308, 24180), (14417, 22320), (14508, 22180), (16120, 19962), (16635, 19344), (17744, 18135)]