78142140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8191}}^1$

素因数の和:8259

約数の個数: 72

約数和(自身を含む): 241532928

約数和(自身を除く): 163390788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 8191, 9540, 16382, 24573, 32764, 40955, 49146, 73719, 81910, 98292, 122865, 147438, 163820, 245730, 294876, 368595, 434123, 491460, 737190, 868246, 1302369, 1474380, 1736492, 2170615, 2604738, 3907107, 4341230, 5209476, 6511845, 7814214, 8682460, 13023690, 15628428, 19535535, 26047380, 39071070, 78142140]

約数ペア:

[(1, 78142140), (2, 39071070), (3, 26047380), (4, 19535535), (5, 15628428), (6, 13023690), (9, 8682460), (10, 7814214), (12, 6511845), (15, 5209476), (18, 4341230), (20, 3907107), (30, 2604738), (36, 2170615), (45, 1736492), (53, 1474380), (60, 1302369), (90, 868246), (106, 737190), (159, 491460), (180, 434123), (212, 368595), (265, 294876), (318, 245730), (477, 163820), (530, 147438), (636, 122865), (795, 98292), (954, 81910), (1060, 73719), (1590, 49146), (1908, 40955), (2385, 32764), (3180, 24573), (4770, 16382), (8191, 9540)]