205879140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1523}}^1$

素因数の和:2289

約数の個数: 72

約数和(自身を含む): 625742208

約数和(自身を除く): 419863068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 751, 1502, 1523, 2253, 3004, 3046, 3755, 4506, 4569, 6092, 6759, 7510, 7615, 9012, 9138, 11265, 13518, 13707, 15020, 15230, 18276, 22530, 22845, 27036, 27414, 30460, 33795, 45060, 45690, 54828, 67590, 68535, 91380, 135180, 137070, 274140, 1143773, 2287546, 3431319, 4575092, 5718865, 6862638, 10293957, 11437730, 13725276, 17156595, 20587914, 22875460, 34313190, 41175828, 51469785, 68626380, 102939570, 205879140]

約数ペア:

[(1, 205879140), (2, 102939570), (3, 68626380), (4, 51469785), (5, 41175828), (6, 34313190), (9, 22875460), (10, 20587914), (12, 17156595), (15, 13725276), (18, 11437730), (20, 10293957), (30, 6862638), (36, 5718865), (45, 4575092), (60, 3431319), (90, 2287546), (180, 1143773), (751, 274140), (1502, 137070), (1523, 135180), (2253, 91380), (3004, 68535), (3046, 67590), (3755, 54828), (4506, 45690), (4569, 45060), (6092, 33795), (6759, 30460), (7510, 27414), (7615, 27036), (9012, 22845), (9138, 22530), (11265, 18276), (13518, 15230), (13707, 15020)]