128233280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 224

約数和(自身を含む): 386242560

約数和(自身を除く): 258009280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 46, 56, 64, 70, 76, 80, 92, 95, 112, 115, 131, 133, 140, 152, 160, 161, 184, 190, 224, 230, 262, 266, 280, 304, 320, 322, 368, 380, 437, 448, 460, 524, 532, 560, 608, 644, 655, 665, 736, 760, 805, 874, 917, 920, 1048, 1064, 1120, 1216, 1288, 1310, 1330, 1472, 1520, 1610, 1748, 1834, 1840, 2096, 2128, 2185, 2240, 2489, 2576, 2620, 2660, 3013, 3040, 3059, 3220, 3496, 3668, 3680, 4192, 4256, 4370, 4585, 4978, 5152, 5240, 5320, 6026, 6080, 6118, 6440, 6992, 7336, 7360, 8384, 8512, 8740, 9170, 9956, 10304, 10480, 10640, 12052, 12236, 12445, 12880, 13984, 14672, 15065, 15295, 17423, 17480, 18340, 19912, 20960, 21091, 21280, 24104, 24472, 24890, 25760, 27968, 29344, 30130, 30590, 34846, 34960, 36680, 39824, 41920, 42182, 42560, 48208, 48944, 49780, 51520, 57247, 58688, 60260, 61180, 69692, 69920, 73360, 79648, 84364, 87115, 96416, 97888, 99560, 105455, 114494, 120520, 122360, 139384, 139840, 146720, 159296, 168728, 174230, 192832, 195776, 199120, 210910, 228988, 241040, 244720, 278768, 286235, 293440, 337456, 348460, 398240, 400729, 421820, 457976, 482080, 489440, 557536, 572470, 674912, 696920, 796480, 801458, 843640, 915952, 964160, 978880, 1115072, 1144940, 1349824, 1393840, 1602916, 1687280, 1831904, 2003645, 2289880, 2787680, 3205832, 3374560, 3663808, 4007290, 4579760, 5575360, 6411664, 6749120, 8014580, 9159520, 12823328, 16029160, 18319040, 25646656, 32058320, 64116640, 128233280]

約数ペア:

[(1, 128233280), (2, 64116640), (4, 32058320), (5, 25646656), (7, 18319040), (8, 16029160), (10, 12823328), (14, 9159520), (16, 8014580), (19, 6749120), (20, 6411664), (23, 5575360), (28, 4579760), (32, 4007290), (35, 3663808), (38, 3374560), (40, 3205832), (46, 2787680), (56, 2289880), (64, 2003645), (70, 1831904), (76, 1687280), (80, 1602916), (92, 1393840), (95, 1349824), (112, 1144940), (115, 1115072), (131, 978880), (133, 964160), (140, 915952), (152, 843640), (160, 801458), (161, 796480), (184, 696920), (190, 674912), (224, 572470), (230, 557536), (262, 489440), (266, 482080), (280, 457976), (304, 421820), (320, 400729), (322, 398240), (368, 348460), (380, 337456), (437, 293440), (448, 286235), (460, 278768), (524, 244720), (532, 241040), (560, 228988), (608, 210910), (644, 199120), (655, 195776), (665, 192832), (736, 174230), (760, 168728), (805, 159296), (874, 146720), (917, 139840), (920, 139384), (1048, 122360), (1064, 120520), (1120, 114494), (1216, 105455), (1288, 99560), (1310, 97888), (1330, 96416), (1472, 87115), (1520, 84364), (1610, 79648), (1748, 73360), (1834, 69920), (1840, 69692), (2096, 61180), (2128, 60260), (2185, 58688), (2240, 57247), (2489, 51520), (2576, 49780), (2620, 48944), (2660, 48208), (3013, 42560), (3040, 42182), (3059, 41920), (3220, 39824), (3496, 36680), (3668, 34960), (3680, 34846), (4192, 30590), (4256, 30130), (4370, 29344), (4585, 27968), (4978, 25760), (5152, 24890), (5240, 24472), (5320, 24104), (6026, 21280), (6080, 21091), (6118, 20960), (6440, 19912), (6992, 18340), (7336, 17480), (7360, 17423), (8384, 15295), (8512, 15065), (8740, 14672), (9170, 13984), (9956, 12880), (10304, 12445), (10480, 12236), (10640, 12052)]