666067640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{6211}}^1$

素因数の和:6612

約数の個数: 64

約数和(自身を含む): 1717493760

約数和(自身を除く): 1051426120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 766, 1532, 1915, 2681, 3064, 3830, 5362, 6211, 7660, 10724, 12422, 13405, 15320, 21448, 24844, 26810, 31055, 43477, 49688, 53620, 62110, 86954, 107240, 124220, 173908, 217385, 248440, 347816, 434770, 869540, 1739080, 2378813, 4757626, 9515252, 11894065, 16651691, 19030504, 23788130, 33303382, 47576260, 66606764, 83258455, 95152520, 133213528, 166516910, 333033820, 666067640]

約数ペア:

[(1, 666067640), (2, 333033820), (4, 166516910), (5, 133213528), (7, 95152520), (8, 83258455), (10, 66606764), (14, 47576260), (20, 33303382), (28, 23788130), (35, 19030504), (40, 16651691), (56, 11894065), (70, 9515252), (140, 4757626), (280, 2378813), (383, 1739080), (766, 869540), (1532, 434770), (1915, 347816), (2681, 248440), (3064, 217385), (3830, 173908), (5362, 124220), (6211, 107240), (7660, 86954), (10724, 62110), (12422, 53620), (13405, 49688), (15320, 43477), (21448, 31055), (24844, 26810)]