81180960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:715

約数の個数: 192

約数和(自身を含む): 300609792

約数和(自身を除く): 219428832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 96, 105, 111, 112, 120, 140, 148, 160, 168, 185, 210, 222, 224, 240, 259, 280, 296, 336, 370, 420, 444, 480, 518, 555, 560, 592, 653, 672, 740, 777, 840, 888, 1036, 1110, 1120, 1184, 1295, 1306, 1480, 1554, 1680, 1776, 1959, 2072, 2220, 2590, 2612, 2960, 3108, 3265, 3360, 3552, 3885, 3918, 4144, 4440, 4571, 5180, 5224, 5920, 6216, 6530, 7770, 7836, 8288, 8880, 9142, 9795, 10360, 10448, 12432, 13060, 13713, 15540, 15672, 17760, 18284, 19590, 20720, 20896, 22855, 24161, 24864, 26120, 27426, 31080, 31344, 36568, 39180, 41440, 45710, 48322, 52240, 54852, 62160, 62688, 68565, 72483, 73136, 78360, 91420, 96644, 104480, 109704, 120805, 124320, 137130, 144966, 146272, 156720, 169127, 182840, 193288, 219408, 241610, 274260, 289932, 313440, 338254, 362415, 365680, 386576, 438816, 483220, 507381, 548520, 579864, 676508, 724830, 731360, 773152, 845635, 966440, 1014762, 1097040, 1159728, 1353016, 1449660, 1691270, 1932880, 2029524, 2194080, 2319456, 2536905, 2706032, 2899320, 3382540, 3865760, 4059048, 5073810, 5412064, 5798640, 6765080, 8118096, 10147620, 11597280, 13530160, 16236192, 20295240, 27060320, 40590480, 81180960]

約数ペア:

[(1, 81180960), (2, 40590480), (3, 27060320), (4, 20295240), (5, 16236192), (6, 13530160), (7, 11597280), (8, 10147620), (10, 8118096), (12, 6765080), (14, 5798640), (15, 5412064), (16, 5073810), (20, 4059048), (21, 3865760), (24, 3382540), (28, 2899320), (30, 2706032), (32, 2536905), (35, 2319456), (37, 2194080), (40, 2029524), (42, 1932880), (48, 1691270), (56, 1449660), (60, 1353016), (70, 1159728), (74, 1097040), (80, 1014762), (84, 966440), (96, 845635), (105, 773152), (111, 731360), (112, 724830), (120, 676508), (140, 579864), (148, 548520), (160, 507381), (168, 483220), (185, 438816), (210, 386576), (222, 365680), (224, 362415), (240, 338254), (259, 313440), (280, 289932), (296, 274260), (336, 241610), (370, 219408), (420, 193288), (444, 182840), (480, 169127), (518, 156720), (555, 146272), (560, 144966), (592, 137130), (653, 124320), (672, 120805), (740, 109704), (777, 104480), (840, 96644), (888, 91420), (1036, 78360), (1110, 73136), (1120, 72483), (1184, 68565), (1295, 62688), (1306, 62160), (1480, 54852), (1554, 52240), (1680, 48322), (1776, 45710), (1959, 41440), (2072, 39180), (2220, 36568), (2590, 31344), (2612, 31080), (2960, 27426), (3108, 26120), (3265, 24864), (3360, 24161), (3552, 22855), (3885, 20896), (3918, 20720), (4144, 19590), (4440, 18284), (4571, 17760), (5180, 15672), (5224, 15540), (5920, 13713), (6216, 13060), (6530, 12432), (7770, 10448), (7836, 10360), (8288, 9795), (8880, 9142)]