320265720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1294

約数の個数: 192

約数和(自身を含む): 1128647520

約数和(自身を除く): 808381800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 43, 45, 51, 60, 68, 72, 85, 86, 90, 102, 120, 129, 136, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 344, 360, 387, 408, 430, 510, 516, 612, 645, 680, 731, 765, 774, 860, 1020, 1032, 1217, 1224, 1290, 1462, 1530, 1548, 1720, 1935, 2040, 2193, 2434, 2580, 2924, 3060, 3096, 3651, 3655, 3870, 4386, 4868, 5160, 5848, 6085, 6120, 6579, 7302, 7310, 7740, 8772, 9736, 10953, 10965, 12170, 13158, 14604, 14620, 15480, 17544, 18255, 20689, 21906, 21930, 24340, 26316, 29208, 29240, 32895, 36510, 41378, 43812, 43860, 48680, 52331, 52632, 54765, 62067, 65790, 73020, 82756, 87624, 87720, 103445, 104662, 109530, 124134, 131580, 146040, 156993, 165512, 186201, 206890, 209324, 219060, 248268, 261655, 263160, 310335, 313986, 372402, 413780, 418648, 438120, 470979, 496536, 523310, 620670, 627972, 744804, 784965, 827560, 889627, 931005, 941958, 1046620, 1241340, 1255944, 1489608, 1569930, 1779254, 1862010, 1883916, 2093240, 2354895, 2482680, 2668881, 3139860, 3558508, 3724020, 3767832, 4448135, 4709790, 5337762, 6279720, 7117016, 7448040, 8006643, 8896270, 9419580, 10675524, 13344405, 16013286, 17792540, 18839160, 21351048, 26688810, 32026572, 35585080, 40033215, 53377620, 64053144, 80066430, 106755240, 160132860, 320265720]

約数ペア:

[(1, 320265720), (2, 160132860), (3, 106755240), (4, 80066430), (5, 64053144), (6, 53377620), (8, 40033215), (9, 35585080), (10, 32026572), (12, 26688810), (15, 21351048), (17, 18839160), (18, 17792540), (20, 16013286), (24, 13344405), (30, 10675524), (34, 9419580), (36, 8896270), (40, 8006643), (43, 7448040), (45, 7117016), (51, 6279720), (60, 5337762), (68, 4709790), (72, 4448135), (85, 3767832), (86, 3724020), (90, 3558508), (102, 3139860), (120, 2668881), (129, 2482680), (136, 2354895), (153, 2093240), (170, 1883916), (172, 1862010), (180, 1779254), (204, 1569930), (215, 1489608), (255, 1255944), (258, 1241340), (306, 1046620), (340, 941958), (344, 931005), (360, 889627), (387, 827560), (408, 784965), (430, 744804), (510, 627972), (516, 620670), (612, 523310), (645, 496536), (680, 470979), (731, 438120), (765, 418648), (774, 413780), (860, 372402), (1020, 313986), (1032, 310335), (1217, 263160), (1224, 261655), (1290, 248268), (1462, 219060), (1530, 209324), (1548, 206890), (1720, 186201), (1935, 165512), (2040, 156993), (2193, 146040), (2434, 131580), (2580, 124134), (2924, 109530), (3060, 104662), (3096, 103445), (3651, 87720), (3655, 87624), (3870, 82756), (4386, 73020), (4868, 65790), (5160, 62067), (5848, 54765), (6085, 52632), (6120, 52331), (6579, 48680), (7302, 43860), (7310, 43812), (7740, 41378), (8772, 36510), (9736, 32895), (10953, 29240), (10965, 29208), (12170, 26316), (13158, 24340), (14604, 21930), (14620, 21906), (15480, 20689), (17544, 18255)]