664890720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:997

約数の個数: 192

約数和(自身を含む): 2275983360

約数和(自身を除く): 1611092640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 127, 130, 156, 160, 195, 208, 240, 254, 260, 312, 381, 390, 416, 480, 508, 520, 624, 635, 762, 780, 839, 1016, 1040, 1248, 1270, 1524, 1560, 1651, 1678, 1905, 2032, 2080, 2517, 2540, 3048, 3120, 3302, 3356, 3810, 4064, 4195, 4953, 5034, 5080, 6096, 6240, 6604, 6712, 7620, 8255, 8390, 9906, 10068, 10160, 10907, 12192, 12585, 13208, 13424, 15240, 16510, 16780, 19812, 20136, 20320, 21814, 24765, 25170, 26416, 26848, 30480, 32721, 33020, 33560, 39624, 40272, 43628, 49530, 50340, 52832, 54535, 60960, 65442, 66040, 67120, 79248, 80544, 87256, 99060, 100680, 106553, 109070, 130884, 132080, 134240, 158496, 163605, 174512, 198120, 201360, 213106, 218140, 261768, 264160, 319659, 327210, 349024, 396240, 402720, 426212, 436280, 523536, 532765, 639318, 654420, 792480, 852424, 872560, 1047072, 1065530, 1278636, 1308840, 1385189, 1598295, 1704848, 1745120, 2131060, 2557272, 2617680, 2770378, 3196590, 3409696, 4155567, 4262120, 5114544, 5235360, 5540756, 6393180, 6925945, 8311134, 8524240, 10229088, 11081512, 12786360, 13851890, 16622268, 17048480, 20777835, 22163024, 25572720, 27703780, 33244536, 41555670, 44326048, 51145440, 55407560, 66489072, 83111340, 110815120, 132978144, 166222680, 221630240, 332445360, 664890720]

約数ペア:

[(1, 664890720), (2, 332445360), (3, 221630240), (4, 166222680), (5, 132978144), (6, 110815120), (8, 83111340), (10, 66489072), (12, 55407560), (13, 51145440), (15, 44326048), (16, 41555670), (20, 33244536), (24, 27703780), (26, 25572720), (30, 22163024), (32, 20777835), (39, 17048480), (40, 16622268), (48, 13851890), (52, 12786360), (60, 11081512), (65, 10229088), (78, 8524240), (80, 8311134), (96, 6925945), (104, 6393180), (120, 5540756), (127, 5235360), (130, 5114544), (156, 4262120), (160, 4155567), (195, 3409696), (208, 3196590), (240, 2770378), (254, 2617680), (260, 2557272), (312, 2131060), (381, 1745120), (390, 1704848), (416, 1598295), (480, 1385189), (508, 1308840), (520, 1278636), (624, 1065530), (635, 1047072), (762, 872560), (780, 852424), (839, 792480), (1016, 654420), (1040, 639318), (1248, 532765), (1270, 523536), (1524, 436280), (1560, 426212), (1651, 402720), (1678, 396240), (1905, 349024), (2032, 327210), (2080, 319659), (2517, 264160), (2540, 261768), (3048, 218140), (3120, 213106), (3302, 201360), (3356, 198120), (3810, 174512), (4064, 163605), (4195, 158496), (4953, 134240), (5034, 132080), (5080, 130884), (6096, 109070), (6240, 106553), (6604, 100680), (6712, 99060), (7620, 87256), (8255, 80544), (8390, 79248), (9906, 67120), (10068, 66040), (10160, 65442), (10907, 60960), (12192, 54535), (12585, 52832), (13208, 50340), (13424, 49530), (15240, 43628), (16510, 40272), (16780, 39624), (19812, 33560), (20136, 33020), (20320, 32721), (21814, 30480), (24765, 26848), (25170, 26416)]