256225860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1034

約数の個数: 144

約数和(自身を含む): 854485632

約数和(自身を除く): 598259772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 151, 165, 180, 198, 220, 302, 330, 396, 453, 495, 604, 660, 755, 857, 906, 990, 1359, 1510, 1661, 1714, 1812, 1980, 2265, 2571, 2718, 3020, 3322, 3428, 4285, 4530, 4983, 5142, 5436, 6644, 6795, 7713, 8305, 8570, 9060, 9427, 9966, 10284, 12855, 13590, 14949, 15426, 16610, 17140, 18854, 19932, 24915, 25710, 27180, 28281, 29898, 30852, 33220, 37708, 38565, 47135, 49830, 51420, 56562, 59796, 74745, 77130, 84843, 94270, 99660, 113124, 129407, 141405, 149490, 154260, 169686, 188540, 258814, 282810, 298980, 339372, 388221, 424215, 517628, 565620, 647035, 776442, 848430, 1164663, 1294070, 1423477, 1552884, 1696860, 1941105, 2329326, 2588140, 2846954, 3882210, 4270431, 4658652, 5693908, 5823315, 7117385, 7764420, 8540862, 11646630, 12811293, 14234770, 17081724, 21352155, 23293260, 25622586, 28469540, 42704310, 51245172, 64056465, 85408620, 128112930, 256225860]

約数ペア:

[(1, 256225860), (2, 128112930), (3, 85408620), (4, 64056465), (5, 51245172), (6, 42704310), (9, 28469540), (10, 25622586), (11, 23293260), (12, 21352155), (15, 17081724), (18, 14234770), (20, 12811293), (22, 11646630), (30, 8540862), (33, 7764420), (36, 7117385), (44, 5823315), (45, 5693908), (55, 4658652), (60, 4270431), (66, 3882210), (90, 2846954), (99, 2588140), (110, 2329326), (132, 1941105), (151, 1696860), (165, 1552884), (180, 1423477), (198, 1294070), (220, 1164663), (302, 848430), (330, 776442), (396, 647035), (453, 565620), (495, 517628), (604, 424215), (660, 388221), (755, 339372), (857, 298980), (906, 282810), (990, 258814), (1359, 188540), (1510, 169686), (1661, 154260), (1714, 149490), (1812, 141405), (1980, 129407), (2265, 113124), (2571, 99660), (2718, 94270), (3020, 84843), (3322, 77130), (3428, 74745), (4285, 59796), (4530, 56562), (4983, 51420), (5142, 49830), (5436, 47135), (6644, 38565), (6795, 37708), (7713, 33220), (8305, 30852), (8570, 29898), (9060, 28281), (9427, 27180), (9966, 25710), (10284, 24915), (12855, 19932), (13590, 18854), (14949, 17140), (15426, 16610)]