71995140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{57139}}^1$

素因数の和:57161

約数の個数: 72

約数和(自身を含む): 249587520

約数和(自身を除く): 177592380

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, 252, 315, 420, 630, 1260, 57139, 114278, 171417, 228556, 285695, 342834, 399973, 514251, 571390, 685668, 799946, 857085, 1028502, 1142780, 1199919, 1599892, 1714170, 1999865, 2057004, 2399838, 2571255, 3428340, 3599757, 3999730, 4799676, 5142510, 5999595, 7199514, 7999460, 10285020, 11999190, 14399028, 17998785, 23998380, 35997570, 71995140]

約数ペア:

[(1, 71995140), (2, 35997570), (3, 23998380), (4, 17998785), (5, 14399028), (6, 11999190), (7, 10285020), (9, 7999460), (10, 7199514), (12, 5999595), (14, 5142510), (15, 4799676), (18, 3999730), (20, 3599757), (21, 3428340), (28, 2571255), (30, 2399838), (35, 2057004), (36, 1999865), (42, 1714170), (45, 1599892), (60, 1199919), (63, 1142780), (70, 1028502), (84, 857085), (90, 799946), (105, 685668), (126, 571390), (140, 514251), (180, 399973), (210, 342834), (252, 285695), (315, 228556), (420, 171417), (630, 114278), (1260, 57139)]