128548980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{102023}}^1$

素因数の和:102045

約数の個数: 72

約数和(自身を含む): 445640832

約数和(自身を除く): 317091852

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, 102023, 204046, 306069, 408092, 510115, 612138, 714161, 918207, 1020230, 1224276, 1428322, 1530345, 1836414, 2040460, 2142483, 2856644, 3060690, 3570805, 3672828, 4284966, 4591035, 6121380, 6427449, 7141610, 8569932, 9182070, 10712415, 12854898, 14283220, 18364140, 21424830, 25709796, 32137245, 42849660, 64274490, 128548980]

約数ペア:

[(1, 128548980), (2, 64274490), (3, 42849660), (4, 32137245), (5, 25709796), (6, 21424830), (7, 18364140), (9, 14283220), (10, 12854898), (12, 10712415), (14, 9182070), (15, 8569932), (18, 7141610), (20, 6427449), (21, 6121380), (28, 4591035), (30, 4284966), (35, 3672828), (36, 3570805), (42, 3060690), (45, 2856644), (60, 2142483), (63, 2040460), (70, 1836414), (84, 1530345), (90, 1428322), (105, 1224276), (126, 1020230), (140, 918207), (180, 714161), (210, 612138), (252, 510115), (315, 408092), (420, 306069), (630, 204046), (1260, 102023)]