1287697840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3631}}^1$

素因数の和:3699

約数の個数: 160

約数和(自身を含む): 3631767552

約数和(自身を除く): 2344069712

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 248, 260, 286, 310, 341, 403, 440, 496, 520, 572, 620, 682, 715, 806, 880, 1040, 1144, 1240, 1364, 1430, 1612, 1705, 2015, 2288, 2480, 2728, 2860, 3224, 3410, 3631, 4030, 4433, 5456, 5720, 6448, 6820, 7262, 8060, 8866, 11440, 13640, 14524, 16120, 17732, 18155, 22165, 27280, 29048, 32240, 35464, 36310, 39941, 44330, 47203, 58096, 70928, 72620, 79882, 88660, 94406, 112561, 145240, 159764, 177320, 188812, 199705, 225122, 236015, 290480, 319528, 354640, 377624, 399410, 450244, 472030, 519233, 562805, 639056, 755248, 798820, 900488, 944060, 1038466, 1125610, 1238171, 1463293, 1597640, 1800976, 1888120, 2076932, 2251220, 2476342, 2596165, 2926586, 3195280, 3776240, 4153864, 4502440, 4952684, 5192330, 5853172, 6190855, 7316465, 8307728, 9004880, 9905368, 10384660, 11706344, 12381710, 14632930, 16096223, 19810736, 20769320, 23412688, 24763420, 29265860, 32192446, 41538640, 49526840, 58531720, 64384892, 80481115, 99053680, 117063440, 128769784, 160962230, 257539568, 321924460, 643848920, 1287697840]

約数ペア:

[(1, 1287697840), (2, 643848920), (4, 321924460), (5, 257539568), (8, 160962230), (10, 128769784), (11, 117063440), (13, 99053680), (16, 80481115), (20, 64384892), (22, 58531720), (26, 49526840), (31, 41538640), (40, 32192446), (44, 29265860), (52, 24763420), (55, 23412688), (62, 20769320), (65, 19810736), (80, 16096223), (88, 14632930), (104, 12381710), (110, 11706344), (124, 10384660), (130, 9905368), (143, 9004880), (155, 8307728), (176, 7316465), (208, 6190855), (220, 5853172), (248, 5192330), (260, 4952684), (286, 4502440), (310, 4153864), (341, 3776240), (403, 3195280), (440, 2926586), (496, 2596165), (520, 2476342), (572, 2251220), (620, 2076932), (682, 1888120), (715, 1800976), (806, 1597640), (880, 1463293), (1040, 1238171), (1144, 1125610), (1240, 1038466), (1364, 944060), (1430, 900488), (1612, 798820), (1705, 755248), (2015, 639056), (2288, 562805), (2480, 519233), (2728, 472030), (2860, 450244), (3224, 399410), (3410, 377624), (3631, 354640), (4030, 319528), (4433, 290480), (5456, 236015), (5720, 225122), (6448, 199705), (6820, 188812), (7262, 177320), (8060, 159764), (8866, 145240), (11440, 112561), (13640, 94406), (14524, 88660), (16120, 79882), (17732, 72620), (18155, 70928), (22165, 58096), (27280, 47203), (29048, 44330), (32240, 39941), (35464, 36310)]