1861697044480

素因数分解:

$2^{15}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 1024

約数和(自身を含む): 5897772518400

約数和(自身を除く): 4036075473920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 61, 64, 65, 70, 80, 89, 91, 92, 104, 112, 115, 122, 128, 130, 140, 160, 161, 178, 182, 184, 208, 224, 230, 244, 256, 260, 280, 299, 305, 320, 322, 356, 364, 368, 416, 427, 445, 448, 455, 460, 488, 512, 520, 560, 598, 610, 623, 640, 644, 712, 728, 736, 793, 805, 832, 854, 890, 896, 910, 920, 976, 1024, 1040, 1120, 1157, 1196, 1220, 1246, 1280, 1288, 1403, 1424, 1456, 1472, 1495, 1586, 1610, 1664, 1708, 1780, 1792, 1820, 1840, 1952, 2047, 2048, 2080, 2093, 2135, 2240, 2314, 2392, 2440, 2492, 2560, 2576, 2806, 2848, 2912, 2944, 2990, 3115, 3172, 3220, 3328, 3416, 3560, 3584, 3640, 3680, 3904, 3965, 4094, 4096, 4160, 4186, 4270, 4480, 4628, 4784, 4880, 4984, 5120, 5152, 5429, 5551, 5612, 5696, 5785, 5824, 5888, 5980, 6230, 6344, 6440, 6656, 6832, 7015, 7120, 7168, 7280, 7360, 7808, 7930, 8099, 8188, 8192, 8320, 8372, 8540, 8960, 9256, 9568, 9760, 9821, 9968, 10235, 10240, 10304, 10465, 10858, 11102, 11224, 11392, 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約数ペア:

[(1, 1861697044480), (2, 930848522240), (4, 465424261120), (5, 372339408896), (7, 265956720640), (8, 232712130560), (10, 186169704448), (13, 143207464960), (14, 132978360320), (16, 116356065280), (20, 93084852224), (23, 80943349760), (26, 71603732480), (28, 66489180160), (32, 58178032640), (35, 53191344128), (40, 46542426112), (46, 40471674880), (52, 35801866240), (56, 33244590080), (61, 30519623680), (64, 29089016320), (65, 28641492992), (70, 26595672064), (80, 23271213056), (89, 20917944320), (91, 20458209280), (92, 20235837440), (104, 17900933120), (112, 16622295040), (115, 16188669952), (122, 15259811840), (128, 14544508160), (130, 14320746496), (140, 13297836032), (160, 11635606528), (161, 11563335680), (178, 10458972160), (182, 10229104640), (184, 10117918720), (208, 8950466560), (224, 8311147520), (230, 8094334976), (244, 7629905920), (256, 7272254080), (260, 7160373248), (280, 6648918016), (299, 6226411520), (305, 6103924736), (320, 5817803264), (322, 5781667840), (356, 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(17080, 108998656), (17920, 103889344), (18239, 102072320), (18512, 100567040), (19136, 97287680), (19520, 95373824), (19642, 94781440), (19936, 93383680), (20470, 90947584), (20480, 90903176), (20608, 90338560), (20930, 88948736), (21716, 85729280), (22204, 83845120), (22448, 82933760), (22784, 81710720), (23140, 80453632), (23296, 79914880), (23552, 79046240), (23920, 77830144), (24920, 74706944), (25376, 73364480), (25760, 72270848), (26611, 69959680), (26624, 69925520), (27145, 68583424), (27328, 68124160), (27755, 67076096), (28060, 66347008), (28480, 65368576), (28658, 64962560), (28672, 64930840), (29120, 63931904), (29440, 63236992), (31232, 59608640), (31720, 58691584), (32396, 57466880), (32752, 56842240), (32768, 56814485), (33280, 55940416), (33488, 55592960), (34160, 54499328), (35840, 51944672), (36478, 51036160), (37024, 50283520), (38003, 48988160), (38272, 48643840), (39040, 47686912), (39284, 47390720), (39872, 46691840), (40495, 45973504), (40940, 45473792), (40960, 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