80485680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:779

約数の個数: 160

約数和(自身を含む): 278910720

約数和(自身を除く): 198425040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 129, 132, 165, 172, 176, 215, 220, 240, 258, 264, 330, 344, 430, 440, 473, 516, 528, 645, 660, 688, 709, 860, 880, 946, 1032, 1290, 1320, 1418, 1419, 1720, 1892, 2064, 2127, 2365, 2580, 2640, 2836, 2838, 3440, 3545, 3784, 4254, 4730, 5160, 5672, 5676, 7090, 7095, 7568, 7799, 8508, 9460, 10320, 10635, 11344, 11352, 14180, 14190, 15598, 17016, 18920, 21270, 22704, 23397, 28360, 28380, 30487, 31196, 34032, 37840, 38995, 42540, 46794, 56720, 56760, 60974, 62392, 77990, 85080, 91461, 93588, 113520, 116985, 121948, 124784, 152435, 155980, 170160, 182922, 187176, 233970, 243896, 304870, 311960, 335357, 365844, 374352, 457305, 467940, 487792, 609740, 623920, 670714, 731688, 914610, 935880, 1006071, 1219480, 1341428, 1463376, 1676785, 1829220, 1871760, 2012142, 2438960, 2682856, 3353570, 3658440, 4024284, 5030355, 5365712, 6707140, 7316880, 8048568, 10060710, 13414280, 16097136, 20121420, 26828560, 40242840, 80485680]

約数ペア:

[(1, 80485680), (2, 40242840), (3, 26828560), (4, 20121420), (5, 16097136), (6, 13414280), (8, 10060710), (10, 8048568), (11, 7316880), (12, 6707140), (15, 5365712), (16, 5030355), (20, 4024284), (22, 3658440), (24, 3353570), (30, 2682856), (33, 2438960), (40, 2012142), (43, 1871760), (44, 1829220), (48, 1676785), (55, 1463376), (60, 1341428), (66, 1219480), (80, 1006071), (86, 935880), (88, 914610), (110, 731688), (120, 670714), (129, 623920), (132, 609740), (165, 487792), (172, 467940), (176, 457305), (215, 374352), (220, 365844), (240, 335357), (258, 311960), (264, 304870), (330, 243896), (344, 233970), (430, 187176), (440, 182922), (473, 170160), (516, 155980), (528, 152435), (645, 124784), (660, 121948), (688, 116985), (709, 113520), (860, 93588), (880, 91461), (946, 85080), (1032, 77990), (1290, 62392), (1320, 60974), (1418, 56760), (1419, 56720), (1720, 46794), (1892, 42540), (2064, 38995), (2127, 37840), (2365, 34032), (2580, 31196), (2640, 30487), (2836, 28380), (2838, 28360), (3440, 23397), (3545, 22704), (3784, 21270), (4254, 18920), (4730, 17016), (5160, 15598), (5672, 14190), (5676, 14180), (7090, 11352), (7095, 11344), (7568, 10635), (7799, 10320), (8508, 9460)]