2520656520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:923

約数の個数: 128

約数和(自身を含む): 7651584000

約数和(自身を除く): 5130927480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 239, 358, 478, 491, 537, 716, 717, 895, 956, 982, 1074, 1195, 1432, 1434, 1473, 1790, 1912, 1964, 2148, 2390, 2455, 2685, 2868, 2946, 3580, 3585, 3928, 4296, 4780, 4910, 5370, 5736, 5892, 7160, 7170, 7365, 9560, 9820, 10740, 11784, 14340, 14730, 19640, 21480, 28680, 29460, 42781, 58920, 85562, 87889, 117349, 128343, 171124, 175778, 213905, 234698, 256686, 263667, 342248, 351556, 352047, 427810, 439445, 469396, 513372, 527334, 586745, 641715, 703112, 704094, 855620, 878890, 938792, 1026744, 1054668, 1173490, 1283430, 1318335, 1408188, 1711240, 1757780, 1760235, 2109336, 2346980, 2566860, 2636670, 2816376, 3515560, 3520470, 4693960, 5133720, 5273340, 7040940, 10546680, 14081880, 21005471, 42010942, 63016413, 84021884, 105027355, 126032826, 168043768, 210054710, 252065652, 315082065, 420109420, 504131304, 630164130, 840218840, 1260328260, 2520656520]

約数ペア:

[(1, 2520656520), (2, 1260328260), (3, 840218840), (4, 630164130), (5, 504131304), (6, 420109420), (8, 315082065), (10, 252065652), (12, 210054710), (15, 168043768), (20, 126032826), (24, 105027355), (30, 84021884), (40, 63016413), (60, 42010942), (120, 21005471), (179, 14081880), (239, 10546680), (358, 7040940), (478, 5273340), (491, 5133720), (537, 4693960), (716, 3520470), (717, 3515560), (895, 2816376), (956, 2636670), (982, 2566860), (1074, 2346980), (1195, 2109336), (1432, 1760235), (1434, 1757780), (1473, 1711240), (1790, 1408188), (1912, 1318335), (1964, 1283430), (2148, 1173490), (2390, 1054668), (2455, 1026744), (2685, 938792), (2868, 878890), (2946, 855620), (3580, 704094), (3585, 703112), (3928, 641715), (4296, 586745), (4780, 527334), (4910, 513372), (5370, 469396), (5736, 439445), (5892, 427810), (7160, 352047), (7170, 351556), (7365, 342248), (9560, 263667), (9820, 256686), (10740, 234698), (11784, 213905), (14340, 175778), (14730, 171124), (19640, 128343), (21480, 117349), (28680, 87889), (29460, 85562), (42781, 58920)]