254519760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:677

約数の個数: 160

約数和(自身を含む): 866551680

約数和(自身を除く): 612031920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 229, 240, 264, 330, 421, 440, 458, 528, 660, 687, 842, 880, 916, 1145, 1263, 1320, 1374, 1684, 1832, 2105, 2290, 2519, 2526, 2640, 2748, 3368, 3435, 3664, 4210, 4580, 4631, 5038, 5052, 5496, 6315, 6736, 6870, 7557, 8420, 9160, 9262, 10076, 10104, 10992, 12595, 12630, 13740, 13893, 15114, 16840, 18320, 18524, 20152, 20208, 23155, 25190, 25260, 27480, 27786, 30228, 33680, 37048, 37785, 40304, 46310, 50380, 50520, 54960, 55572, 60456, 69465, 74096, 75570, 92620, 96409, 100760, 101040, 111144, 120912, 138930, 151140, 185240, 192818, 201520, 222288, 277860, 289227, 302280, 370480, 385636, 482045, 555720, 578454, 604560, 771272, 964090, 1060499, 1111440, 1156908, 1446135, 1542544, 1928180, 2120998, 2313816, 2892270, 3181497, 3856360, 4241996, 4627632, 5302495, 5784540, 6362994, 7712720, 8483992, 10604990, 11569080, 12725988, 15907485, 16967984, 21209980, 23138160, 25451976, 31814970, 42419960, 50903952, 63629940, 84839920, 127259880, 254519760]

約数ペア:

[(1, 254519760), (2, 127259880), (3, 84839920), (4, 63629940), (5, 50903952), (6, 42419960), (8, 31814970), (10, 25451976), (11, 23138160), (12, 21209980), (15, 16967984), (16, 15907485), (20, 12725988), (22, 11569080), (24, 10604990), (30, 8483992), (33, 7712720), (40, 6362994), (44, 5784540), (48, 5302495), (55, 4627632), (60, 4241996), (66, 3856360), (80, 3181497), (88, 2892270), (110, 2313816), (120, 2120998), (132, 1928180), (165, 1542544), (176, 1446135), (220, 1156908), (229, 1111440), (240, 1060499), (264, 964090), (330, 771272), (421, 604560), (440, 578454), (458, 555720), (528, 482045), (660, 385636), (687, 370480), (842, 302280), (880, 289227), (916, 277860), (1145, 222288), (1263, 201520), (1320, 192818), (1374, 185240), (1684, 151140), (1832, 138930), (2105, 120912), (2290, 111144), (2519, 101040), (2526, 100760), (2640, 96409), (2748, 92620), (3368, 75570), (3435, 74096), (3664, 69465), (4210, 60456), (4580, 55572), (4631, 54960), (5038, 50520), (5052, 50380), (5496, 46310), (6315, 40304), (6736, 37785), (6870, 37048), (7557, 33680), (8420, 30228), (9160, 27786), (9262, 27480), (10076, 25260), (10104, 25190), (10992, 23155), (12595, 20208), (12630, 20152), (13740, 18524), (13893, 18320), (15114, 16840)]