128245440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 224

約数和(自身を含む): 438912000

約数和(自身を除く): 310666560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 79, 80, 89, 95, 96, 114, 120, 152, 158, 160, 178, 190, 192, 228, 237, 240, 267, 285, 304, 316, 320, 356, 380, 395, 445, 456, 474, 480, 534, 570, 608, 632, 712, 760, 790, 890, 912, 948, 960, 1068, 1140, 1185, 1216, 1264, 1335, 1424, 1501, 1520, 1580, 1691, 1780, 1824, 1896, 2136, 2280, 2370, 2528, 2670, 2848, 3002, 3040, 3160, 3382, 3560, 3648, 3792, 4272, 4503, 4560, 4740, 5056, 5073, 5340, 5696, 6004, 6080, 6320, 6764, 7031, 7120, 7505, 7584, 8455, 8544, 9006, 9120, 9480, 10146, 10680, 12008, 12640, 13528, 14062, 14240, 15010, 15168, 16910, 17088, 18012, 18240, 18960, 20292, 21093, 21360, 22515, 24016, 25280, 25365, 27056, 28124, 28480, 30020, 33820, 35155, 36024, 37920, 40584, 42186, 42720, 45030, 48032, 50730, 54112, 56248, 60040, 67640, 70310, 72048, 75840, 81168, 84372, 85440, 90060, 96064, 101460, 105465, 108224, 112496, 120080, 133589, 135280, 140620, 144096, 162336, 168744, 180120, 202920, 210930, 224992, 240160, 267178, 270560, 281240, 288192, 324672, 337488, 360240, 400767, 405840, 421860, 449984, 480320, 534356, 541120, 562480, 667945, 674976, 720480, 801534, 811680, 843720, 1068712, 1124960, 1335890, 1349952, 1440960, 1603068, 1623360, 1687440, 2003835, 2137424, 2249920, 2671780, 3206136, 3374880, 4007670, 4274848, 5343560, 6412272, 6749760, 8015340, 8549696, 10687120, 12824544, 16030680, 21374240, 25649088, 32061360, 42748480, 64122720, 128245440]

約数ペア:

[(1, 128245440), (2, 64122720), (3, 42748480), (4, 32061360), (5, 25649088), (6, 21374240), (8, 16030680), (10, 12824544), (12, 10687120), (15, 8549696), (16, 8015340), (19, 6749760), (20, 6412272), (24, 5343560), (30, 4274848), (32, 4007670), (38, 3374880), (40, 3206136), (48, 2671780), (57, 2249920), (60, 2137424), (64, 2003835), (76, 1687440), (79, 1623360), (80, 1603068), (89, 1440960), (95, 1349952), (96, 1335890), (114, 1124960), (120, 1068712), (152, 843720), (158, 811680), (160, 801534), (178, 720480), (190, 674976), (192, 667945), (228, 562480), (237, 541120), (240, 534356), (267, 480320), (285, 449984), (304, 421860), (316, 405840), (320, 400767), (356, 360240), (380, 337488), (395, 324672), (445, 288192), (456, 281240), (474, 270560), (480, 267178), (534, 240160), (570, 224992), (608, 210930), (632, 202920), (712, 180120), (760, 168744), (790, 162336), (890, 144096), (912, 140620), (948, 135280), (960, 133589), (1068, 120080), (1140, 112496), (1185, 108224), (1216, 105465), (1264, 101460), (1335, 96064), (1424, 90060), (1501, 85440), (1520, 84372), (1580, 81168), (1691, 75840), (1780, 72048), (1824, 70310), (1896, 67640), (2136, 60040), (2280, 56248), (2370, 54112), (2528, 50730), (2670, 48032), (2848, 45030), (3002, 42720), (3040, 42186), (3160, 40584), (3382, 37920), (3560, 36024), (3648, 35155), (3792, 33820), (4272, 30020), (4503, 28480), (4560, 28124), (4740, 27056), (5056, 25365), (5073, 25280), (5340, 24016), (5696, 22515), (6004, 21360), (6080, 21093), (6320, 20292), (6764, 18960), (7031, 18240), (7120, 18012), (7505, 17088), (7584, 16910), (8455, 15168), (8544, 15010), (9006, 14240), (9120, 14062), (9480, 13528), (10146, 12640), (10680, 12008)]