221157540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:879

約数の個数: 120

約数和(自身を含む): 698144832

約数和(自身を除く): 476987292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 211, 270, 324, 405, 422, 540, 633, 647, 810, 844, 1055, 1266, 1294, 1620, 1899, 1941, 2110, 2532, 2588, 3165, 3235, 3798, 3882, 4220, 5697, 5823, 6330, 6470, 7596, 7764, 9495, 9705, 11394, 11646, 12660, 12940, 17091, 17469, 18990, 19410, 22788, 23292, 28485, 29115, 34182, 34938, 37980, 38820, 52407, 56970, 58230, 68364, 69876, 85455, 87345, 104814, 113940, 116460, 136517, 170910, 174690, 209628, 262035, 273034, 341820, 349380, 409551, 524070, 546068, 682585, 819102, 1048140, 1228653, 1365170, 1638204, 2047755, 2457306, 2730340, 3685959, 4095510, 4914612, 6143265, 7371918, 8191020, 11057877, 12286530, 14743836, 18429795, 22115754, 24573060, 36859590, 44231508, 55289385, 73719180, 110578770, 221157540]

約数ペア:

[(1, 221157540), (2, 110578770), (3, 73719180), (4, 55289385), (5, 44231508), (6, 36859590), (9, 24573060), (10, 22115754), (12, 18429795), (15, 14743836), (18, 12286530), (20, 11057877), (27, 8191020), (30, 7371918), (36, 6143265), (45, 4914612), (54, 4095510), (60, 3685959), (81, 2730340), (90, 2457306), (108, 2047755), (135, 1638204), (162, 1365170), (180, 1228653), (211, 1048140), (270, 819102), (324, 682585), (405, 546068), (422, 524070), (540, 409551), (633, 349380), (647, 341820), (810, 273034), (844, 262035), (1055, 209628), (1266, 174690), (1294, 170910), (1620, 136517), (1899, 116460), (1941, 113940), (2110, 104814), (2532, 87345), (2588, 85455), (3165, 69876), (3235, 68364), (3798, 58230), (3882, 56970), (4220, 52407), (5697, 38820), (5823, 37980), (6330, 34938), (6470, 34182), (7596, 29115), (7764, 28485), (9495, 23292), (9705, 22788), (11394, 19410), (11646, 18990), (12660, 17469), (12940, 17091)]