666976680

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 224

約数和(自身を含む): 2284151400

約数和(自身を除く): 1617174720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 89, 90, 108, 120, 135, 162, 178, 180, 216, 243, 257, 267, 270, 324, 356, 360, 405, 445, 486, 514, 534, 540, 648, 712, 729, 771, 801, 810, 890, 972, 1028, 1068, 1080, 1215, 1285, 1335, 1458, 1542, 1602, 1620, 1780, 1944, 2056, 2136, 2313, 2403, 2430, 2570, 2670, 2916, 3084, 3204, 3240, 3560, 3645, 3855, 4005, 4626, 4806, 4860, 5140, 5340, 5832, 6168, 6408, 6939, 7209, 7290, 7710, 8010, 9252, 9612, 9720, 10280, 10680, 11565, 12015, 13878, 14418, 14580, 15420, 16020, 18504, 19224, 20817, 21627, 22873, 23130, 24030, 27756, 28836, 29160, 30840, 32040, 34695, 36045, 41634, 43254, 45746, 46260, 48060, 55512, 57672, 62451, 64881, 68619, 69390, 72090, 83268, 86508, 91492, 92520, 96120, 104085, 108135, 114365, 124902, 129762, 137238, 138780, 144180, 166536, 173016, 182984, 187353, 205857, 208170, 216270, 228730, 249804, 259524, 274476, 277560, 288360, 312255, 324405, 343095, 374706, 411714, 416340, 432540, 457460, 499608, 519048, 548952, 617571, 624510, 648810, 686190, 749412, 823428, 832680, 865080, 914920, 936765, 1029285, 1235142, 1249020, 1297620, 1372380, 1498824, 1646856, 1852713, 1873530, 2058570, 2470284, 2498040, 2595240, 2744760, 3087855, 3705426, 3747060, 4117140, 4940568, 5558139, 6175710, 7410852, 7494120, 8234280, 9263565, 11116278, 12351420, 14821704, 16674417, 18527130, 22232556, 24702840, 27790695, 33348834, 37054260, 44465112, 55581390, 66697668, 74108520, 83372085, 111162780, 133395336, 166744170, 222325560, 333488340, 666976680]

約数ペア:

[(1, 666976680), (2, 333488340), (3, 222325560), (4, 166744170), (5, 133395336), (6, 111162780), (8, 83372085), (9, 74108520), (10, 66697668), (12, 55581390), (15, 44465112), (18, 37054260), (20, 33348834), (24, 27790695), (27, 24702840), (30, 22232556), (36, 18527130), (40, 16674417), (45, 14821704), (54, 12351420), (60, 11116278), (72, 9263565), (81, 8234280), (89, 7494120), (90, 7410852), (108, 6175710), (120, 5558139), (135, 4940568), (162, 4117140), (178, 3747060), (180, 3705426), (216, 3087855), (243, 2744760), (257, 2595240), (267, 2498040), (270, 2470284), (324, 2058570), (356, 1873530), (360, 1852713), (405, 1646856), (445, 1498824), (486, 1372380), (514, 1297620), (534, 1249020), (540, 1235142), (648, 1029285), (712, 936765), (729, 914920), (771, 865080), (801, 832680), (810, 823428), (890, 749412), (972, 686190), (1028, 648810), (1068, 624510), (1080, 617571), (1215, 548952), (1285, 519048), (1335, 499608), (1458, 457460), (1542, 432540), (1602, 416340), (1620, 411714), (1780, 374706), (1944, 343095), (2056, 324405), (2136, 312255), (2313, 288360), (2403, 277560), (2430, 274476), (2570, 259524), (2670, 249804), (2916, 228730), (3084, 216270), (3204, 208170), (3240, 205857), (3560, 187353), (3645, 182984), (3855, 173016), (4005, 166536), (4626, 144180), (4806, 138780), (4860, 137238), (5140, 129762), (5340, 124902), (5832, 114365), (6168, 108135), (6408, 104085), (6939, 96120), (7209, 92520), (7290, 91492), (7710, 86508), (8010, 83268), (9252, 72090), (9612, 69390), (9720, 68619), (10280, 64881), (10680, 62451), (11565, 57672), (12015, 55512), (13878, 48060), (14418, 46260), (14580, 45746), (15420, 43254), (16020, 41634), (18504, 36045), (19224, 34695), (20817, 32040), (21627, 30840), (22873, 29160), (23130, 28836), (24030, 27756)]