2720078760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1301}}^1$

素因数の和:1472

約数の個数: 256

約数和(自身を含む): 9899366400

約数和(自身を除く): 7179287640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 131, 133, 140, 152, 168, 190, 210, 228, 262, 266, 280, 285, 380, 393, 399, 420, 456, 524, 532, 570, 655, 665, 760, 786, 798, 840, 917, 1048, 1064, 1140, 1301, 1310, 1330, 1572, 1596, 1834, 1965, 1995, 2280, 2489, 2602, 2620, 2660, 2751, 3144, 3192, 3668, 3903, 3930, 3990, 4585, 4978, 5204, 5240, 5320, 5502, 6505, 7336, 7467, 7806, 7860, 7980, 9107, 9170, 9956, 10408, 11004, 12445, 13010, 13755, 14934, 15612, 15720, 15960, 17423, 18214, 18340, 19515, 19912, 22008, 24719, 24890, 26020, 27321, 27510, 29868, 31224, 34846, 36428, 36680, 37335, 39030, 45535, 49438, 49780, 52040, 52269, 54642, 55020, 59736, 69692, 72856, 74157, 74670, 78060, 87115, 91070, 98876, 99560, 104538, 109284, 110040, 123595, 136605, 139384, 148314, 149340, 156120, 170431, 173033, 174230, 182140, 197752, 209076, 218568, 247190, 261345, 273210, 296628, 298680, 340862, 346066, 348460, 364280, 370785, 418152, 494380, 511293, 519099, 522690, 546420, 593256, 681724, 692132, 696920, 741570, 852155, 865165, 988760, 1022586, 1038198, 1045380, 1092840, 1193017, 1363448, 1384264, 1483140, 1704310, 1730330, 2045172, 2076396, 2090760, 2386034, 2556465, 2595495, 2966280, 3238189, 3408620, 3460660, 3579051, 4090344, 4152792, 4772068, 5112930, 5190990, 5965085, 6476378, 6817240, 6921320, 7158102, 9544136, 9714567, 10225860, 10381980, 11930170, 12952756, 14316204, 16190945, 17895255, 19429134, 20451720, 20763960, 22667323, 23860340, 25905512, 28632408, 32381890, 35790510, 38858268, 45334646, 47720680, 48572835, 64763780, 68001969, 71581020, 77716536, 90669292, 97145670, 113336615, 129527560, 136003938, 143162040, 181338584, 194291340, 226673230, 272007876, 340009845, 388582680, 453346460, 544015752, 680019690, 906692920, 1360039380, 2720078760]

約数ペア:

[(1, 2720078760), (2, 1360039380), (3, 906692920), (4, 680019690), (5, 544015752), (6, 453346460), (7, 388582680), (8, 340009845), (10, 272007876), (12, 226673230), (14, 194291340), (15, 181338584), (19, 143162040), (20, 136003938), (21, 129527560), (24, 113336615), (28, 97145670), (30, 90669292), (35, 77716536), (38, 71581020), (40, 68001969), (42, 64763780), (56, 48572835), (57, 47720680), (60, 45334646), (70, 38858268), (76, 35790510), (84, 32381890), (95, 28632408), (105, 25905512), (114, 23860340), (120, 22667323), (131, 20763960), (133, 20451720), (140, 19429134), (152, 17895255), (168, 16190945), (190, 14316204), (210, 12952756), (228, 11930170), (262, 10381980), (266, 10225860), (280, 9714567), (285, 9544136), (380, 7158102), (393, 6921320), (399, 6817240), (420, 6476378), (456, 5965085), (524, 5190990), (532, 5112930), (570, 4772068), (655, 4152792), (665, 4090344), (760, 3579051), (786, 3460660), (798, 3408620), (840, 3238189), (917, 2966280), (1048, 2595495), (1064, 2556465), (1140, 2386034), (1301, 2090760), (1310, 2076396), (1330, 2045172), (1572, 1730330), (1596, 1704310), (1834, 1483140), (1965, 1384264), (1995, 1363448), (2280, 1193017), (2489, 1092840), (2602, 1045380), (2620, 1038198), (2660, 1022586), (2751, 988760), (3144, 865165), (3192, 852155), (3668, 741570), (3903, 696920), (3930, 692132), (3990, 681724), (4585, 593256), (4978, 546420), (5204, 522690), (5240, 519099), (5320, 511293), (5502, 494380), (6505, 418152), (7336, 370785), (7467, 364280), (7806, 348460), (7860, 346066), (7980, 340862), (9107, 298680), (9170, 296628), (9956, 273210), (10408, 261345), (11004, 247190), (12445, 218568), (13010, 209076), (13755, 197752), (14934, 182140), (15612, 174230), (15720, 173033), (15960, 170431), (17423, 156120), (18214, 149340), (18340, 148314), (19515, 139384), (19912, 136605), (22008, 123595), (24719, 110040), (24890, 109284), (26020, 104538), (27321, 99560), (27510, 98876), (29868, 91070), (31224, 87115), (34846, 78060), (36428, 74670), (36680, 74157), (37335, 72856), (39030, 69692), (45535, 59736), (49438, 55020), (49780, 54642), (52040, 52269)]