1640979360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8699}}^1$

素因数の和:8851

約数の個数: 144

約数和(自身を含む): 5643237600

約数和(自身を除く): 4002258240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 131, 144, 160, 180, 240, 262, 288, 360, 393, 480, 524, 655, 720, 786, 1048, 1179, 1310, 1440, 1572, 1965, 2096, 2358, 2620, 3144, 3930, 4192, 4716, 5240, 5895, 6288, 7860, 8699, 9432, 10480, 11790, 12576, 15720, 17398, 18864, 20960, 23580, 26097, 31440, 34796, 37728, 43495, 47160, 52194, 62880, 69592, 78291, 86990, 94320, 104388, 130485, 139184, 156582, 173980, 188640, 208776, 260970, 278368, 313164, 347960, 391455, 417552, 521940, 626328, 695920, 782910, 835104, 1043880, 1139569, 1252656, 1391840, 1565820, 2087760, 2279138, 2505312, 3131640, 3418707, 4175520, 4558276, 5697845, 6263280, 6837414, 9116552, 10256121, 11395690, 12526560, 13674828, 17093535, 18233104, 20512242, 22791380, 27349656, 34187070, 36466208, 41024484, 45582760, 51280605, 54699312, 68374140, 82048968, 91165520, 102561210, 109398624, 136748280, 164097936, 182331040, 205122420, 273496560, 328195872, 410244840, 546993120, 820489680, 1640979360]

約数ペア:

[(1, 1640979360), (2, 820489680), (3, 546993120), (4, 410244840), (5, 328195872), (6, 273496560), (8, 205122420), (9, 182331040), (10, 164097936), (12, 136748280), (15, 109398624), (16, 102561210), (18, 91165520), (20, 82048968), (24, 68374140), (30, 54699312), (32, 51280605), (36, 45582760), (40, 41024484), (45, 36466208), (48, 34187070), (60, 27349656), (72, 22791380), (80, 20512242), (90, 18233104), (96, 17093535), (120, 13674828), (131, 12526560), (144, 11395690), (160, 10256121), (180, 9116552), (240, 6837414), (262, 6263280), (288, 5697845), (360, 4558276), (393, 4175520), (480, 3418707), (524, 3131640), (655, 2505312), (720, 2279138), (786, 2087760), (1048, 1565820), (1179, 1391840), (1310, 1252656), (1440, 1139569), (1572, 1043880), (1965, 835104), (2096, 782910), (2358, 695920), (2620, 626328), (3144, 521940), (3930, 417552), (4192, 391455), (4716, 347960), (5240, 313164), (5895, 278368), (6288, 260970), (7860, 208776), (8699, 188640), (9432, 173980), (10480, 156582), (11790, 139184), (12576, 130485), (15720, 104388), (17398, 94320), (18864, 86990), (20960, 78291), (23580, 69592), (26097, 62880), (31440, 52194), (34796, 47160), (37728, 43495)]