661975020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{525377}}^1$

素因数の和:525399

約数の個数: 72

約数和(自身を含む): 2294851104

約数和(自身を除く): 1632876084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 525377, 1050754, 1576131, 2101508, 2626885, 3152262, 3677639, 4728393, 5253770, 6304524, 7355278, 7880655, 9456786, 10507540, 11032917, 14710556, 15761310, 18388195, 18913572, 22065834, 23641965, 31522620, 33098751, 36776390, 44131668, 47283930, 55164585, 66197502, 73552780, 94567860, 110329170, 132395004, 165493755, 220658340, 330987510, 661975020]

約数ペア:

[(1, 661975020), (2, 330987510), (3, 220658340), (4, 165493755), (5, 132395004), (6, 110329170), (7, 94567860), (9, 73552780), (10, 66197502), (12, 55164585), (14, 47283930), (15, 44131668), (18, 36776390), (20, 33098751), (21, 31522620), (28, 23641965), (30, 22065834), (35, 18913572), (36, 18388195), (42, 15761310), (45, 14710556), (60, 11032917), (63, 10507540), (70, 9456786), (84, 7880655), (90, 7355278), (105, 6304524), (126, 5253770), (140, 4728393), (180, 3677639), (210, 3152262), (252, 2626885), (315, 2101508), (420, 1576131), (630, 1050754), (1260, 525377)]