256209030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3361}}^1$

素因数の和:3403

約数の個数: 144

約数和(自身を含む): 837057312

約数和(自身を除く): 580848282

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 315, 330, 363, 385, 462, 495, 605, 630, 693, 726, 770, 847, 990, 1089, 1155, 1210, 1386, 1694, 1815, 2178, 2310, 2541, 3361, 3465, 3630, 4235, 5082, 5445, 6722, 6930, 7623, 8470, 10083, 10890, 12705, 15246, 16805, 20166, 23527, 25410, 30249, 33610, 36971, 38115, 47054, 50415, 60498, 70581, 73942, 76230, 100830, 110913, 117635, 141162, 151245, 184855, 211743, 221826, 235270, 258797, 302490, 332739, 352905, 369710, 406681, 423486, 517594, 554565, 665478, 705810, 776391, 813362, 1058715, 1109130, 1220043, 1293985, 1552782, 1663695, 2033405, 2117430, 2329173, 2440086, 2587970, 2846767, 3327390, 3660129, 3881955, 4066810, 4658346, 5693534, 6100215, 7320258, 7763910, 8540301, 11645865, 12200430, 14233835, 17080602, 18300645, 23291730, 25620903, 28467670, 36601290, 42701505, 51241806, 85403010, 128104515, 256209030]

約数ペア:

[(1, 256209030), (2, 128104515), (3, 85403010), (5, 51241806), (6, 42701505), (7, 36601290), (9, 28467670), (10, 25620903), (11, 23291730), (14, 18300645), (15, 17080602), (18, 14233835), (21, 12200430), (22, 11645865), (30, 8540301), (33, 7763910), (35, 7320258), (42, 6100215), (45, 5693534), (55, 4658346), (63, 4066810), (66, 3881955), (70, 3660129), (77, 3327390), (90, 2846767), (99, 2587970), (105, 2440086), (110, 2329173), (121, 2117430), (126, 2033405), (154, 1663695), (165, 1552782), (198, 1293985), (210, 1220043), (231, 1109130), (242, 1058715), (315, 813362), (330, 776391), (363, 705810), (385, 665478), (462, 554565), (495, 517594), (605, 423486), (630, 406681), (693, 369710), (726, 352905), (770, 332739), (847, 302490), (990, 258797), (1089, 235270), (1155, 221826), (1210, 211743), (1386, 184855), (1694, 151245), (1815, 141162), (2178, 117635), (2310, 110913), (2541, 100830), (3361, 76230), (3465, 73942), (3630, 70581), (4235, 60498), (5082, 50415), (5445, 47054), (6722, 38115), (6930, 36971), (7623, 33610), (8470, 30249), (10083, 25410), (10890, 23527), (12705, 20166), (15246, 16805)]