71452980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5591}}^1$

素因数の和:5677

約数の個数: 72

約数和(自身を含む): 219832704

約数和(自身を除く): 148379724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5591, 6390, 11182, 12780, 16773, 22364, 27955, 33546, 50319, 55910, 67092, 83865, 100638, 111820, 167730, 201276, 251595, 335460, 396961, 503190, 793922, 1006380, 1190883, 1587844, 1984805, 2381766, 3572649, 3969610, 4763532, 5954415, 7145298, 7939220, 11908830, 14290596, 17863245, 23817660, 35726490, 71452980]

約数ペア:

[(1, 71452980), (2, 35726490), (3, 23817660), (4, 17863245), (5, 14290596), (6, 11908830), (9, 7939220), (10, 7145298), (12, 5954415), (15, 4763532), (18, 3969610), (20, 3572649), (30, 2381766), (36, 1984805), (45, 1587844), (60, 1190883), (71, 1006380), (90, 793922), (142, 503190), (180, 396961), (213, 335460), (284, 251595), (355, 201276), (426, 167730), (639, 111820), (710, 100638), (852, 83865), (1065, 67092), (1278, 55910), (1420, 50319), (2130, 33546), (2556, 27955), (3195, 22364), (4260, 16773), (5591, 12780), (6390, 11182)]