640026072

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:766

約数の個数: 192

約数和(自身を含む): 2075673600

約数和(自身を除く): 1435647528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 47, 56, 63, 72, 82, 84, 94, 123, 126, 141, 164, 168, 188, 246, 252, 282, 287, 328, 329, 369, 376, 423, 492, 504, 564, 574, 658, 659, 738, 846, 861, 984, 987, 1128, 1148, 1316, 1318, 1476, 1692, 1722, 1927, 1974, 1977, 2296, 2583, 2632, 2636, 2952, 2961, 3384, 3444, 3854, 3948, 3954, 4613, 5166, 5272, 5781, 5922, 5931, 6888, 7708, 7896, 7908, 9226, 10332, 11562, 11844, 11862, 13489, 13839, 15416, 15816, 17343, 18452, 20664, 23124, 23688, 23724, 26978, 27019, 27678, 30973, 34686, 36904, 40467, 41517, 46248, 47448, 53956, 54038, 55356, 61946, 69372, 80934, 81057, 83034, 92919, 107912, 108076, 110712, 121401, 123892, 138744, 161868, 162114, 166068, 185838, 189133, 216152, 216811, 242802, 243171, 247784, 278757, 323736, 324228, 332136, 371676, 378266, 433622, 485604, 486342, 557514, 567399, 648456, 650433, 743352, 756532, 867244, 971208, 972684, 1115028, 1134798, 1269893, 1300866, 1513064, 1702197, 1734488, 1945368, 1951299, 2230056, 2269596, 2539786, 2601732, 3404394, 3809679, 3902598, 4539192, 5079572, 5203464, 6808788, 7619358, 7805196, 8889251, 10159144, 11429037, 13617576, 15238716, 15610392, 17778502, 22858074, 26667753, 30477432, 35557004, 45716148, 53335506, 71114008, 80003259, 91432296, 106671012, 160006518, 213342024, 320013036, 640026072]

約数ペア:

[(1, 640026072), (2, 320013036), (3, 213342024), (4, 160006518), (6, 106671012), (7, 91432296), (8, 80003259), (9, 71114008), (12, 53335506), (14, 45716148), (18, 35557004), (21, 30477432), (24, 26667753), (28, 22858074), (36, 17778502), (41, 15610392), (42, 15238716), (47, 13617576), (56, 11429037), (63, 10159144), (72, 8889251), (82, 7805196), (84, 7619358), (94, 6808788), (123, 5203464), (126, 5079572), (141, 4539192), (164, 3902598), (168, 3809679), (188, 3404394), (246, 2601732), (252, 2539786), (282, 2269596), (287, 2230056), (328, 1951299), (329, 1945368), (369, 1734488), (376, 1702197), (423, 1513064), (492, 1300866), (504, 1269893), (564, 1134798), (574, 1115028), (658, 972684), (659, 971208), (738, 867244), (846, 756532), (861, 743352), (984, 650433), (987, 648456), (1128, 567399), (1148, 557514), (1316, 486342), (1318, 485604), (1476, 433622), (1692, 378266), (1722, 371676), (1927, 332136), (1974, 324228), (1977, 323736), (2296, 278757), (2583, 247784), (2632, 243171), (2636, 242802), (2952, 216811), (2961, 216152), (3384, 189133), (3444, 185838), (3854, 166068), (3948, 162114), (3954, 161868), (4613, 138744), (5166, 123892), (5272, 121401), (5781, 110712), (5922, 108076), (5931, 107912), (6888, 92919), (7708, 83034), (7896, 81057), (7908, 80934), (9226, 69372), (10332, 61946), (11562, 55356), (11844, 54038), (11862, 53956), (13489, 47448), (13839, 46248), (15416, 41517), (15816, 40467), (17343, 36904), (18452, 34686), (20664, 30973), (23124, 27678), (23688, 27019), (23724, 26978)]