161586840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 510624000

約数和(自身を除く): 349037160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 59, 60, 87, 116, 118, 120, 145, 174, 177, 232, 236, 290, 295, 348, 354, 435, 472, 580, 590, 696, 708, 787, 870, 885, 1160, 1180, 1416, 1574, 1711, 1740, 1770, 2360, 2361, 3148, 3422, 3480, 3540, 3935, 4722, 5133, 6296, 6844, 7080, 7870, 8555, 9444, 10266, 11805, 13688, 15740, 17110, 18888, 20532, 22823, 23610, 25665, 31480, 34220, 41064, 45646, 46433, 47220, 51330, 68440, 68469, 91292, 92866, 94440, 102660, 114115, 136938, 139299, 182584, 185732, 205320, 228230, 232165, 273876, 278598, 342345, 371464, 456460, 464330, 547752, 557196, 684690, 696495, 912920, 928660, 1114392, 1346557, 1369380, 1392990, 1857320, 2693114, 2738760, 2785980, 4039671, 5386228, 5571960, 6732785, 8079342, 10772456, 13465570, 16158684, 20198355, 26931140, 32317368, 40396710, 53862280, 80793420, 161586840]

約数ペア:

[(1, 161586840), (2, 80793420), (3, 53862280), (4, 40396710), (5, 32317368), (6, 26931140), (8, 20198355), (10, 16158684), (12, 13465570), (15, 10772456), (20, 8079342), (24, 6732785), (29, 5571960), (30, 5386228), (40, 4039671), (58, 2785980), (59, 2738760), (60, 2693114), (87, 1857320), (116, 1392990), (118, 1369380), (120, 1346557), (145, 1114392), (174, 928660), (177, 912920), (232, 696495), (236, 684690), (290, 557196), (295, 547752), (348, 464330), (354, 456460), (435, 371464), (472, 342345), (580, 278598), (590, 273876), (696, 232165), (708, 228230), (787, 205320), (870, 185732), (885, 182584), (1160, 139299), (1180, 136938), (1416, 114115), (1574, 102660), (1711, 94440), (1740, 92866), (1770, 91292), (2360, 68469), (2361, 68440), (3148, 51330), (3422, 47220), (3480, 46433), (3540, 45646), (3935, 41064), (4722, 34220), (5133, 31480), (6296, 25665), (6844, 23610), (7080, 22823), (7870, 20532), (8555, 18888), (9444, 17110), (10266, 15740), (11805, 13688)]