2107890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 5800320

約数和(自身を除く): 3692430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 211, 222, 270, 333, 370, 422, 555, 633, 666, 999, 1055, 1110, 1266, 1665, 1899, 1998, 2110, 3165, 3330, 3798, 4995, 5697, 6330, 7807, 9495, 9990, 11394, 15614, 18990, 23421, 28485, 39035, 46842, 56970, 70263, 78070, 117105, 140526, 210789, 234210, 351315, 421578, 702630, 1053945, 2107890]

約数ペア:

[(1, 2107890), (2, 1053945), (3, 702630), (5, 421578), (6, 351315), (9, 234210), (10, 210789), (15, 140526), (18, 117105), (27, 78070), (30, 70263), (37, 56970), (45, 46842), (54, 39035), (74, 28485), (90, 23421), (111, 18990), (135, 15614), (185, 11394), (211, 9990), (222, 9495), (270, 7807), (333, 6330), (370, 5697), (422, 4995), (555, 3798), (633, 3330), (666, 3165), (999, 2110), (1055, 1998), (1110, 1899), (1266, 1665)]