1287737920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:505

約数の個数: 224

約数和(自身を含む): 3745382400

約数和(自身を除く): 2457644480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 79, 80, 95, 112, 133, 140, 152, 158, 160, 190, 224, 266, 280, 304, 316, 320, 380, 383, 395, 448, 532, 553, 560, 608, 632, 665, 760, 766, 790, 1064, 1106, 1120, 1216, 1264, 1330, 1501, 1520, 1532, 1580, 1915, 2128, 2212, 2240, 2528, 2660, 2681, 2765, 3002, 3040, 3064, 3160, 3830, 4256, 4424, 5056, 5320, 5362, 5530, 6004, 6080, 6128, 6320, 7277, 7505, 7660, 8512, 8848, 10507, 10640, 10724, 11060, 12008, 12256, 12640, 13405, 14554, 15010, 15320, 17696, 21014, 21280, 21448, 22120, 24016, 24512, 25280, 26810, 29108, 30020, 30257, 30640, 35392, 36385, 42028, 42560, 42896, 44240, 48032, 50939, 52535, 53620, 58216, 60040, 60514, 61280, 72770, 84056, 85792, 88480, 96064, 101878, 105070, 107240, 116432, 120080, 121028, 122560, 145540, 151285, 168112, 171584, 176960, 203756, 210140, 211799, 214480, 232864, 240160, 242056, 254695, 291080, 302570, 336224, 407512, 420280, 423598, 428960, 465728, 480320, 484112, 509390, 574883, 582160, 605140, 672448, 815024, 840560, 847196, 857920, 968224, 1018780, 1058995, 1149766, 1164320, 1210280, 1630048, 1681120, 1694392, 1936448, 2037560, 2117990, 2299532, 2328640, 2420560, 2874415, 3260096, 3362240, 3388784, 4024181, 4075120, 4235980, 4599064, 4841120, 5748830, 6777568, 8048362, 8150240, 8471960, 9198128, 9682240, 11497660, 13555136, 16096724, 16300480, 16943920, 18396256, 20120905, 22995320, 32193448, 33887840, 36792512, 40241810, 45990640, 64386896, 67775680, 80483620, 91981280, 128773792, 160967240, 183962560, 257547584, 321934480, 643868960, 1287737920]

約数ペア:

[(1, 1287737920), (2, 643868960), (4, 321934480), (5, 257547584), (7, 183962560), (8, 160967240), (10, 128773792), (14, 91981280), (16, 80483620), (19, 67775680), (20, 64386896), (28, 45990640), (32, 40241810), (35, 36792512), (38, 33887840), (40, 32193448), (56, 22995320), (64, 20120905), (70, 18396256), (76, 16943920), (79, 16300480), (80, 16096724), (95, 13555136), (112, 11497660), (133, 9682240), (140, 9198128), (152, 8471960), (158, 8150240), (160, 8048362), (190, 6777568), (224, 5748830), (266, 4841120), (280, 4599064), (304, 4235980), (316, 4075120), (320, 4024181), (380, 3388784), (383, 3362240), (395, 3260096), (448, 2874415), (532, 2420560), (553, 2328640), (560, 2299532), (608, 2117990), (632, 2037560), (665, 1936448), (760, 1694392), (766, 1681120), (790, 1630048), (1064, 1210280), (1106, 1164320), (1120, 1149766), (1216, 1058995), (1264, 1018780), (1330, 968224), (1501, 857920), (1520, 847196), (1532, 840560), (1580, 815024), (1915, 672448), (2128, 605140), (2212, 582160), (2240, 574883), (2528, 509390), (2660, 484112), (2681, 480320), (2765, 465728), (3002, 428960), (3040, 423598), (3064, 420280), (3160, 407512), (3830, 336224), (4256, 302570), (4424, 291080), (5056, 254695), (5320, 242056), (5362, 240160), (5530, 232864), (6004, 214480), (6080, 211799), (6128, 210140), (6320, 203756), (7277, 176960), (7505, 171584), (7660, 168112), (8512, 151285), (8848, 145540), (10507, 122560), (10640, 121028), (10724, 120080), (11060, 116432), (12008, 107240), (12256, 105070), (12640, 101878), (13405, 96064), (14554, 88480), (15010, 85792), (15320, 84056), (17696, 72770), (21014, 61280), (21280, 60514), (21448, 60040), (22120, 58216), (24016, 53620), (24512, 52535), (25280, 50939), (26810, 48032), (29108, 44240), (30020, 42896), (30257, 42560), (30640, 42028), (35392, 36385)]