661552920

素因数分解:

$2^3\times 3^6\times 5^1\times 7^2\times {\mathrm{463}}^1$

素因数の和:506

約数の個数: 336

約数和(自身を含む): 2601689760

約数和(自身を除く): 1940136840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 243, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 463, 486, 490, 504, 540, 567, 588, 630, 648, 729, 735, 756, 810, 840, 882, 926, 945, 972, 980, 1080, 1134, 1176, 1215, 1260, 1323, 1389, 1458, 1470, 1512, 1620, 1701, 1764, 1852, 1890, 1944, 1960, 2205, 2268, 2315, 2430, 2520, 2646, 2778, 2835, 2916, 2940, 3240, 3241, 3402, 3528, 3645, 3704, 3780, 3969, 4167, 4410, 4536, 4630, 4860, 5103, 5292, 5556, 5670, 5832, 5880, 6482, 6615, 6804, 6945, 7290, 7560, 7938, 8334, 8505, 8820, 9260, 9720, 9723, 10206, 10584, 11112, 11340, 11907, 12501, 12964, 13230, 13608, 13890, 14580, 15876, 16205, 16668, 17010, 17640, 18520, 19446, 19845, 20412, 20835, 22680, 22687, 23814, 25002, 25515, 25928, 26460, 27780, 29160, 29169, 31752, 32410, 33336, 34020, 35721, 37503, 38892, 39690, 40824, 41670, 45374, 47628, 48615, 50004, 51030, 52920, 55560, 58338, 59535, 62505, 64820, 68040, 68061, 71442, 75006, 77784, 79380, 83340, 87507, 90748, 95256, 97230, 100008, 102060, 112509, 113435, 116676, 119070, 125010, 129640, 136122, 142884, 145845, 150012, 158760, 166680, 175014, 178605, 181496, 187515, 194460, 204120, 204183, 225018, 226870, 233352, 238140, 250020, 262521, 272244, 285768, 291690, 300024, 337527, 340305, 350028, 357210, 375030, 388920, 408366, 437535, 450036, 453740, 476280, 500040, 525042, 544488, 562545, 583380, 612549, 675054, 680610, 700056, 714420, 750060, 787563, 816732, 875070, 900072, 907480, 1020915, 1050084, 1125090, 1166760, 1225098, 1312605, 1350108, 1361220, 1428840, 1500120, 1575126, 1633464, 1687635, 1750140, 1837647, 2041830, 2100168, 2250180, 2362689, 2450196, 2625210, 2700216, 2722440, 3062745, 3150252, 3375270, 3500280, 3675294, 3937815, 4083660, 4500360, 4725378, 4900392, 5250420, 5512941, 6125490, 6300504, 6750540, 7350588, 7875630, 8167320, 9188235, 9450756, 10500840, 11025882, 11813445, 12250980, 13501080, 14701176, 15751260, 16538823, 18376470, 18901512, 22051764, 23626890, 24501960, 27564705, 31502520, 33077646, 36752940, 44103528, 47253780, 55129410, 66155292, 73505880, 82694115, 94507560, 110258820, 132310584, 165388230, 220517640, 330776460, 661552920]

約数ペア:

[(1, 661552920), (2, 330776460), (3, 220517640), (4, 165388230), (5, 132310584), (6, 110258820), (7, 94507560), (8, 82694115), (9, 73505880), (10, 66155292), (12, 55129410), (14, 47253780), (15, 44103528), (18, 36752940), (20, 33077646), (21, 31502520), (24, 27564705), (27, 24501960), (28, 23626890), (30, 22051764), (35, 18901512), (36, 18376470), (40, 16538823), (42, 15751260), (45, 14701176), (49, 13501080), (54, 12250980), (56, 11813445), (60, 11025882), (63, 10500840), (70, 9450756), (72, 9188235), (81, 8167320), (84, 7875630), (90, 7350588), (98, 6750540), (105, 6300504), (108, 6125490), (120, 5512941), (126, 5250420), (135, 4900392), (140, 4725378), (147, 4500360), (162, 4083660), (168, 3937815), (180, 3675294), (189, 3500280), (196, 3375270), (210, 3150252), (216, 3062745), (243, 2722440), (245, 2700216), (252, 2625210), (270, 2450196), (280, 2362689), (294, 2250180), (315, 2100168), (324, 2041830), (360, 1837647), (378, 1750140), (392, 1687635), (405, 1633464), (420, 1575126), (441, 1500120), (463, 1428840), (486, 1361220), (490, 1350108), (504, 1312605), (540, 1225098), (567, 1166760), (588, 1125090), (630, 1050084), (648, 1020915), (729, 907480), (735, 900072), (756, 875070), (810, 816732), (840, 787563), (882, 750060), (926, 714420), (945, 700056), (972, 680610), (980, 675054), (1080, 612549), (1134, 583380), (1176, 562545), (1215, 544488), (1260, 525042), (1323, 500040), (1389, 476280), (1458, 453740), (1470, 450036), (1512, 437535), (1620, 408366), (1701, 388920), (1764, 375030), (1852, 357210), (1890, 350028), (1944, 340305), (1960, 337527), (2205, 300024), (2268, 291690), (2315, 285768), (2430, 272244), (2520, 262521), (2646, 250020), (2778, 238140), (2835, 233352), (2916, 226870), (2940, 225018), (3240, 204183), (3241, 204120), (3402, 194460), (3528, 187515), (3645, 181496), (3704, 178605), (3780, 175014), (3969, 166680), (4167, 158760), (4410, 150012), (4536, 145845), (4630, 142884), (4860, 136122), (5103, 129640), (5292, 125010), (5556, 119070), (5670, 116676), (5832, 113435), (5880, 112509), (6482, 102060), (6615, 100008), (6804, 97230), (6945, 95256), (7290, 90748), (7560, 87507), (7938, 83340), (8334, 79380), (8505, 77784), (8820, 75006), (9260, 71442), (9720, 68061), (9723, 68040), (10206, 64820), (10584, 62505), (11112, 59535), (11340, 58338), (11907, 55560), (12501, 52920), (12964, 51030), (13230, 50004), (13608, 48615), (13890, 47628), (14580, 45374), (15876, 41670), (16205, 40824), (16668, 39690), (17010, 38892), (17640, 37503), (18520, 35721), (19446, 34020), (19845, 33336), (20412, 32410), (20835, 31752), (22680, 29169), (22687, 29160), (23814, 27780), (25002, 26460), (25515, 25928)]