657955980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:717

約数の個数: 192

約数和(自身を含む): 2246952960

約数和(自身を除く): 1588996980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 257, 270, 297, 330, 396, 431, 495, 514, 540, 594, 660, 771, 862, 990, 1028, 1188, 1285, 1293, 1485, 1542, 1724, 1980, 2155, 2313, 2570, 2586, 2827, 2970, 3084, 3855, 3879, 4310, 4626, 4741, 5140, 5172, 5654, 5940, 6465, 6939, 7710, 7758, 8481, 8620, 9252, 9482, 11308, 11565, 11637, 12930, 13878, 14135, 14223, 15420, 15516, 16962, 18964, 19395, 23130, 23274, 23705, 25443, 25860, 27756, 28270, 28446, 33924, 34695, 38790, 42405, 42669, 46260, 46548, 47410, 50886, 56540, 56892, 58185, 69390, 71115, 76329, 77580, 84810, 85338, 94820, 101772, 110767, 116370, 127215, 128007, 138780, 142230, 152658, 169620, 170676, 213345, 221534, 232740, 254430, 256014, 284460, 305316, 332301, 381645, 426690, 443068, 508860, 512028, 553835, 640035, 664602, 763290, 853380, 996903, 1107670, 1218437, 1280070, 1329204, 1526580, 1661505, 1993806, 2215340, 2436874, 2560140, 2990709, 3323010, 3655311, 3987612, 4873748, 4984515, 5981418, 6092185, 6646020, 7310622, 9969030, 10965933, 11962836, 12184370, 14621244, 14953545, 18276555, 19938060, 21931866, 24368740, 29907090, 32897799, 36553110, 43863732, 54829665, 59814180, 65795598, 73106220, 109659330, 131591196, 164488995, 219318660, 328977990, 657955980]

約数ペア:

[(1, 657955980), (2, 328977990), (3, 219318660), (4, 164488995), (5, 131591196), (6, 109659330), (9, 73106220), (10, 65795598), (11, 59814180), (12, 54829665), (15, 43863732), (18, 36553110), (20, 32897799), (22, 29907090), (27, 24368740), (30, 21931866), (33, 19938060), (36, 18276555), (44, 14953545), (45, 14621244), (54, 12184370), (55, 11962836), (60, 10965933), (66, 9969030), (90, 7310622), (99, 6646020), (108, 6092185), (110, 5981418), (132, 4984515), (135, 4873748), (165, 3987612), (180, 3655311), (198, 3323010), (220, 2990709), (257, 2560140), (270, 2436874), (297, 2215340), (330, 1993806), (396, 1661505), (431, 1526580), (495, 1329204), (514, 1280070), (540, 1218437), (594, 1107670), (660, 996903), (771, 853380), (862, 763290), (990, 664602), (1028, 640035), (1188, 553835), (1285, 512028), (1293, 508860), (1485, 443068), (1542, 426690), (1724, 381645), (1980, 332301), (2155, 305316), (2313, 284460), (2570, 256014), (2586, 254430), (2827, 232740), (2970, 221534), (3084, 213345), (3855, 170676), (3879, 169620), (4310, 152658), (4626, 142230), (4741, 138780), (5140, 128007), (5172, 127215), (5654, 116370), (5940, 110767), (6465, 101772), (6939, 94820), (7710, 85338), (7758, 84810), (8481, 77580), (8620, 76329), (9252, 71115), (9482, 69390), (11308, 58185), (11565, 56892), (11637, 56540), (12930, 50886), (13878, 47410), (14135, 46548), (14223, 46260), (15420, 42669), (15516, 42405), (16962, 38790), (18964, 34695), (19395, 33924), (23130, 28446), (23274, 28270), (23705, 27756), (25443, 25860)]