1640068560

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19469}}^1$

素因数の和:19507

約数の個数: 200

約数和(自身を含む): 6134685480

約数和(自身を除く): 4494616920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 1040, 1053, 1080, 1170, 1296, 1404, 1560, 1620, 1755, 1872, 2106, 2160, 2340, 2808, 3120, 3240, 3510, 4212, 4680, 5265, 5616, 6480, 7020, 8424, 9360, 10530, 14040, 16848, 19469, 21060, 28080, 38938, 42120, 58407, 77876, 84240, 97345, 116814, 155752, 175221, 194690, 233628, 253097, 292035, 311504, 350442, 389380, 467256, 506194, 525663, 584070, 700884, 759291, 778760, 876105, 934512, 1012388, 1051326, 1168140, 1265485, 1401768, 1518582, 1557520, 1576989, 1752210, 2024776, 2102652, 2277873, 2336280, 2530970, 2628315, 2803536, 3037164, 3153978, 3504420, 3796455, 4049552, 4205304, 4555746, 4672560, 5061940, 5256630, 6074328, 6307956, 6833619, 7008840, 7592910, 7884945, 8410608, 9111492, 10123880, 10513260, 11389365, 12148656, 12615912, 13667238, 14017680, 15185820, 15769890, 18222984, 20247760, 20500857, 21026520, 22778730, 25231824, 27334476, 30371640, 31539780, 34168095, 36445968, 41001714, 42053040, 45557460, 54668952, 60743280, 63079560, 68336190, 82003428, 91114920, 102504285, 109337904, 126159120, 136672380, 164006856, 182229840, 205008570, 273344760, 328013712, 410017140, 546689520, 820034280, 1640068560]

約数ペア:

[(1, 1640068560), (2, 820034280), (3, 546689520), (4, 410017140), (5, 328013712), (6, 273344760), (8, 205008570), (9, 182229840), (10, 164006856), (12, 136672380), (13, 126159120), (15, 109337904), (16, 102504285), (18, 91114920), (20, 82003428), (24, 68336190), (26, 63079560), (27, 60743280), (30, 54668952), (36, 45557460), (39, 42053040), (40, 41001714), (45, 36445968), (48, 34168095), (52, 31539780), (54, 30371640), (60, 27334476), (65, 25231824), (72, 22778730), (78, 21026520), (80, 20500857), (81, 20247760), (90, 18222984), (104, 15769890), (108, 15185820), (117, 14017680), (120, 13667238), (130, 12615912), (135, 12148656), (144, 11389365), (156, 10513260), (162, 10123880), (180, 9111492), (195, 8410608), (208, 7884945), (216, 7592910), (234, 7008840), (240, 6833619), (260, 6307956), (270, 6074328), (312, 5256630), (324, 5061940), (351, 4672560), (360, 4555746), (390, 4205304), (405, 4049552), (432, 3796455), (468, 3504420), (520, 3153978), (540, 3037164), (585, 2803536), (624, 2628315), (648, 2530970), (702, 2336280), (720, 2277873), (780, 2102652), (810, 2024776), (936, 1752210), (1040, 1576989), (1053, 1557520), (1080, 1518582), (1170, 1401768), (1296, 1265485), (1404, 1168140), (1560, 1051326), (1620, 1012388), (1755, 934512), (1872, 876105), (2106, 778760), (2160, 759291), (2340, 700884), (2808, 584070), (3120, 525663), (3240, 506194), (3510, 467256), (4212, 389380), (4680, 350442), (5265, 311504), (5616, 292035), (6480, 253097), (7020, 233628), (8424, 194690), (9360, 175221), (10530, 155752), (14040, 116814), (16848, 97345), (19469, 84240), (21060, 77876), (28080, 58407), (38938, 42120)]