207868920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{247463}}^1$

素因数の和:247484

約数の個数: 64

約数和(自身を含む): 712696320

約数和(自身を除く): 504827400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 247463, 494926, 742389, 989852, 1237315, 1484778, 1732241, 1979704, 2474630, 2969556, 3464482, 3711945, 4949260, 5196723, 5939112, 6928964, 7423890, 8661205, 9898520, 10393446, 13857928, 14847780, 17322410, 20786892, 25983615, 29695560, 34644820, 41573784, 51967230, 69289640, 103934460, 207868920]

約数ペア:

[(1, 207868920), (2, 103934460), (3, 69289640), (4, 51967230), (5, 41573784), (6, 34644820), (7, 29695560), (8, 25983615), (10, 20786892), (12, 17322410), (14, 14847780), (15, 13857928), (20, 10393446), (21, 9898520), (24, 8661205), (28, 7423890), (30, 6928964), (35, 5939112), (40, 5196723), (42, 4949260), (56, 3711945), (60, 3464482), (70, 2969556), (84, 2474630), (105, 1979704), (120, 1732241), (140, 1484778), (168, 1237315), (210, 989852), (280, 742389), (420, 494926), (840, 247463)]