206851590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 606320640

約数和(自身を除く): 399469050

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 257, 270, 271, 297, 330, 495, 514, 542, 594, 771, 813, 990, 1285, 1355, 1485, 1542, 1626, 2313, 2439, 2570, 2710, 2827, 2970, 2981, 3855, 4065, 4626, 4878, 5654, 5962, 6939, 7317, 7710, 8130, 8481, 8943, 11565, 12195, 13878, 14135, 14634, 14905, 16962, 17886, 23130, 24390, 25443, 26829, 28270, 29810, 34695, 36585, 42405, 44715, 50886, 53658, 69390, 69647, 73170, 76329, 80487, 84810, 89430, 127215, 134145, 139294, 152658, 160974, 208941, 254430, 268290, 348235, 381645, 402435, 417882, 626823, 696470, 763290, 766117, 804870, 1044705, 1253646, 1532234, 1880469, 2089410, 2298351, 3134115, 3760938, 3830585, 4596702, 6268230, 6895053, 7661170, 9402345, 11491755, 13790106, 18804690, 20685159, 22983510, 34475265, 41370318, 68950530, 103425795, 206851590]

約数ペア:

[(1, 206851590), (2, 103425795), (3, 68950530), (5, 41370318), (6, 34475265), (9, 22983510), (10, 20685159), (11, 18804690), (15, 13790106), (18, 11491755), (22, 9402345), (27, 7661170), (30, 6895053), (33, 6268230), (45, 4596702), (54, 3830585), (55, 3760938), (66, 3134115), (90, 2298351), (99, 2089410), (110, 1880469), (135, 1532234), (165, 1253646), (198, 1044705), (257, 804870), (270, 766117), (271, 763290), (297, 696470), (330, 626823), (495, 417882), (514, 402435), (542, 381645), (594, 348235), (771, 268290), (813, 254430), (990, 208941), (1285, 160974), (1355, 152658), (1485, 139294), (1542, 134145), (1626, 127215), (2313, 89430), (2439, 84810), (2570, 80487), (2710, 76329), (2827, 73170), (2970, 69647), (2981, 69390), (3855, 53658), (4065, 50886), (4626, 44715), (4878, 42405), (5654, 36585), (5962, 34695), (6939, 29810), (7317, 28270), (7710, 26829), (8130, 25443), (8481, 24390), (8943, 23130), (11565, 17886), (12195, 16962), (13878, 14905), (14135, 14634)]