172695420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30949}}^1$

素因数の和:30995

約数の個数: 72

約数和(自身を含む): 540758400

約数和(自身を除く): 368062980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 30949, 61898, 92847, 123796, 154745, 185694, 278541, 309490, 371388, 464235, 557082, 618980, 928470, 959419, 1114164, 1392705, 1856940, 1918838, 2785410, 2878257, 3837676, 4797095, 5570820, 5756514, 8634771, 9594190, 11513028, 14391285, 17269542, 19188380, 28782570, 34539084, 43173855, 57565140, 86347710, 172695420]

約数ペア:

[(1, 172695420), (2, 86347710), (3, 57565140), (4, 43173855), (5, 34539084), (6, 28782570), (9, 19188380), (10, 17269542), (12, 14391285), (15, 11513028), (18, 9594190), (20, 8634771), (30, 5756514), (31, 5570820), (36, 4797095), (45, 3837676), (60, 2878257), (62, 2785410), (90, 1918838), (93, 1856940), (124, 1392705), (155, 1114164), (180, 959419), (186, 928470), (279, 618980), (310, 557082), (372, 464235), (465, 371388), (558, 309490), (620, 278541), (930, 185694), (1116, 154745), (1395, 123796), (1860, 92847), (2790, 61898), (5580, 30949)]