65552580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1171}}^1$

素因数の和:1497

約数の個数: 72

約数和(自身を含む): 199652544

約数和(自身を除く): 134099964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1171, 1244, 1555, 1866, 2342, 2799, 3110, 3513, 3732, 4665, 4684, 5598, 5855, 6220, 7026, 9330, 10539, 11196, 11710, 13995, 14052, 17565, 18660, 21078, 23420, 27990, 35130, 42156, 52695, 55980, 70260, 105390, 210780, 364181, 728362, 1092543, 1456724, 1820905, 2185086, 3277629, 3641810, 4370172, 5462715, 6555258, 7283620, 10925430, 13110516, 16388145, 21850860, 32776290, 65552580]

約数ペア:

[(1, 65552580), (2, 32776290), (3, 21850860), (4, 16388145), (5, 13110516), (6, 10925430), (9, 7283620), (10, 6555258), (12, 5462715), (15, 4370172), (18, 3641810), (20, 3277629), (30, 2185086), (36, 1820905), (45, 1456724), (60, 1092543), (90, 728362), (180, 364181), (311, 210780), (622, 105390), (933, 70260), (1171, 55980), (1244, 52695), (1555, 42156), (1866, 35130), (2342, 27990), (2799, 23420), (3110, 21078), (3513, 18660), (3732, 17565), (4665, 14052), (4684, 13995), (5598, 11710), (5855, 11196), (6220, 10539), (7026, 9330)]