256455870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 728082432

約数和(自身を除く): 471626562

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 43, 53, 55, 62, 66, 86, 93, 106, 110, 121, 129, 155, 159, 165, 186, 215, 242, 258, 265, 310, 318, 330, 341, 363, 430, 465, 473, 530, 583, 605, 645, 682, 726, 795, 930, 946, 1023, 1166, 1210, 1290, 1333, 1419, 1590, 1643, 1705, 1749, 1815, 2046, 2279, 2365, 2666, 2838, 2915, 3286, 3410, 3498, 3630, 3751, 3999, 4558, 4730, 4929, 5115, 5203, 5830, 6413, 6665, 6837, 7095, 7502, 7998, 8215, 8745, 9858, 10230, 10406, 11253, 11395, 12826, 13330, 13674, 14190, 14663, 15609, 16430, 17490, 18073, 18755, 19239, 19995, 22506, 22790, 24645, 25069, 26015, 29326, 31218, 32065, 34185, 36146, 37510, 38478, 39990, 43989, 49290, 50138, 52030, 54219, 56265, 64130, 68370, 70649, 73315, 75207, 78045, 87978, 90365, 96195, 108438, 112530, 125345, 141298, 146630, 150414, 156090, 161293, 180730, 192390, 198803, 211947, 219945, 250690, 271095, 275759, 322586, 353245, 376035, 397606, 423894, 439890, 483879, 542190, 551518, 596409, 706490, 752070, 777139, 806465, 827277, 967758, 994015, 1059735, 1192818, 1378795, 1554278, 1612930, 1654554, 1988030, 2119470, 2331417, 2419395, 2757590, 2982045, 3885695, 4136385, 4662834, 4838790, 5964090, 7771390, 8272770, 8548529, 11657085, 17097058, 23314170, 25645587, 42742645, 51291174, 85485290, 128227935, 256455870]

約数ペア:

[(1, 256455870), (2, 128227935), (3, 85485290), (5, 51291174), (6, 42742645), (10, 25645587), (11, 23314170), (15, 17097058), (22, 11657085), (30, 8548529), (31, 8272770), (33, 7771390), (43, 5964090), (53, 4838790), (55, 4662834), (62, 4136385), (66, 3885695), (86, 2982045), (93, 2757590), (106, 2419395), (110, 2331417), (121, 2119470), (129, 1988030), (155, 1654554), (159, 1612930), (165, 1554278), (186, 1378795), (215, 1192818), (242, 1059735), (258, 994015), (265, 967758), (310, 827277), (318, 806465), (330, 777139), (341, 752070), (363, 706490), (430, 596409), (465, 551518), (473, 542190), (530, 483879), (583, 439890), (605, 423894), (645, 397606), (682, 376035), (726, 353245), (795, 322586), (930, 275759), (946, 271095), (1023, 250690), (1166, 219945), (1210, 211947), (1290, 198803), (1333, 192390), (1419, 180730), (1590, 161293), (1643, 156090), (1705, 150414), (1749, 146630), (1815, 141298), (2046, 125345), (2279, 112530), (2365, 108438), (2666, 96195), (2838, 90365), (2915, 87978), (3286, 78045), (3410, 75207), (3498, 73315), (3630, 70649), (3751, 68370), (3999, 64130), (4558, 56265), (4730, 54219), (4929, 52030), (5115, 50138), (5203, 49290), (5830, 43989), (6413, 39990), (6665, 38478), (6837, 37510), (7095, 36146), (7502, 34185), (7998, 32065), (8215, 31218), (8745, 29326), (9858, 26015), (10230, 25069), (10406, 24645), (11253, 22790), (11395, 22506), (12826, 19995), (13330, 19239), (13674, 18755), (14190, 18073), (14663, 17490), (15609, 16430)]