220544460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17257}}^1$

素因数の和:17343

約数の個数: 72

約数和(自身を含む): 678446496

約数和(自身を除く): 457902036

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, 6390, 12780, 17257, 34514, 51771, 69028, 86285, 103542, 155313, 172570, 207084, 258855, 310626, 345140, 517710, 621252, 776565, 1035420, 1225247, 1553130, 2450494, 3106260, 3675741, 4900988, 6126235, 7351482, 11027223, 12252470, 14702964, 18378705, 22054446, 24504940, 36757410, 44108892, 55136115, 73514820, 110272230, 220544460]

約数ペア:

[(1, 220544460), (2, 110272230), (3, 73514820), (4, 55136115), (5, 44108892), (6, 36757410), (9, 24504940), (10, 22054446), (12, 18378705), (15, 14702964), (18, 12252470), (20, 11027223), (30, 7351482), (36, 6126235), (45, 4900988), (60, 3675741), (71, 3106260), (90, 2450494), (142, 1553130), (180, 1225247), (213, 1035420), (284, 776565), (355, 621252), (426, 517710), (639, 345140), (710, 310626), (852, 258855), (1065, 207084), (1278, 172570), (1420, 155313), (2130, 103542), (2556, 86285), (3195, 69028), (4260, 51771), (6390, 34514), (12780, 17257)]