263835520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1720

約数の個数: 128

約数和(自身を含む): 715428000

約数和(自身を除く): 451592480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1669, 1976, 2080, 2432, 2470, 3040, 3338, 3952, 4160, 4940, 6080, 6676, 7904, 8320, 8345, 9880, 12160, 13352, 15808, 16690, 19760, 21697, 26704, 31616, 31711, 33380, 39520, 43394, 53408, 63422, 66760, 79040, 86788, 106816, 108485, 126844, 133520, 158080, 158555, 173576, 213632, 216970, 253688, 267040, 317110, 347152, 412243, 433940, 507376, 534080, 634220, 694304, 824486, 867880, 1014752, 1068160, 1268440, 1388608, 1648972, 1735760, 2029504, 2061215, 2536880, 2777216, 3297944, 3471520, 4059008, 4122430, 5073760, 6595888, 6943040, 8244860, 10147520, 13191776, 13886080, 16489720, 20295040, 26383552, 32979440, 52767104, 65958880, 131917760, 263835520]

約数ペア:

[(1, 263835520), (2, 131917760), (4, 65958880), (5, 52767104), (8, 32979440), (10, 26383552), (13, 20295040), (16, 16489720), (19, 13886080), (20, 13191776), (26, 10147520), (32, 8244860), (38, 6943040), (40, 6595888), (52, 5073760), (64, 4122430), (65, 4059008), (76, 3471520), (80, 3297944), (95, 2777216), (104, 2536880), (128, 2061215), (130, 2029504), (152, 1735760), (160, 1648972), (190, 1388608), (208, 1268440), (247, 1068160), (260, 1014752), (304, 867880), (320, 824486), (380, 694304), (416, 634220), (494, 534080), (520, 507376), (608, 433940), (640, 412243), (760, 347152), (832, 317110), (988, 267040), (1040, 253688), (1216, 216970), (1235, 213632), (1520, 173576), (1664, 158555), (1669, 158080), (1976, 133520), (2080, 126844), (2432, 108485), (2470, 106816), (3040, 86788), (3338, 79040), (3952, 66760), (4160, 63422), (4940, 53408), (6080, 43394), (6676, 39520), (7904, 33380), (8320, 31711), (8345, 31616), (9880, 26704), (12160, 21697), (13352, 19760), (15808, 16690)]