77511420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 270885888

約数和(自身を除く): 193374468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 227, 252, 271, 315, 420, 454, 542, 630, 681, 813, 908, 1084, 1135, 1260, 1355, 1362, 1589, 1626, 1897, 2043, 2270, 2439, 2710, 2724, 3178, 3252, 3405, 3794, 4065, 4086, 4540, 4767, 4878, 5420, 5691, 6356, 6810, 7588, 7945, 8130, 8172, 9485, 9534, 9756, 10215, 11382, 12195, 13620, 14301, 15890, 16260, 17073, 18970, 19068, 20430, 22764, 23835, 24390, 28455, 28602, 31780, 34146, 37940, 40860, 47670, 48780, 56910, 57204, 61517, 68292, 71505, 85365, 95340, 113820, 123034, 143010, 170730, 184551, 246068, 286020, 307585, 341460, 369102, 430619, 553653, 615170, 738204, 861238, 922755, 1107306, 1230340, 1291857, 1722476, 1845510, 2153095, 2214612, 2583714, 2768265, 3691020, 3875571, 4306190, 5167428, 5536530, 6459285, 7751142, 8612380, 11073060, 12918570, 15502284, 19377855, 25837140, 38755710, 77511420]

約数ペア:

[(1, 77511420), (2, 38755710), (3, 25837140), (4, 19377855), (5, 15502284), (6, 12918570), (7, 11073060), (9, 8612380), (10, 7751142), (12, 6459285), (14, 5536530), (15, 5167428), (18, 4306190), (20, 3875571), (21, 3691020), (28, 2768265), (30, 2583714), (35, 2214612), (36, 2153095), (42, 1845510), (45, 1722476), (60, 1291857), (63, 1230340), (70, 1107306), (84, 922755), (90, 861238), (105, 738204), (126, 615170), (140, 553653), (180, 430619), (210, 369102), (227, 341460), (252, 307585), (271, 286020), (315, 246068), (420, 184551), (454, 170730), (542, 143010), (630, 123034), (681, 113820), (813, 95340), (908, 85365), (1084, 71505), (1135, 68292), (1260, 61517), (1355, 57204), (1362, 56910), (1589, 48780), (1626, 47670), (1897, 40860), (2043, 37940), (2270, 34146), (2439, 31780), (2710, 28602), (2724, 28455), (3178, 24390), (3252, 23835), (3405, 22764), (3794, 20430), (4065, 19068), (4086, 18970), (4540, 17073), (4767, 16260), (4878, 15890), (5420, 14301), (5691, 13620), (6356, 12195), (6810, 11382), (7588, 10215), (7945, 9756), (8130, 9534), (8172, 9485)]