155151780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{369409}}^1$

素因数の和:369428

約数の個数: 48

約数和(自身を含む): 496487040

約数和(自身を除く): 341335260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 369409, 738818, 1108227, 1477636, 1847045, 2216454, 2585863, 3694090, 4432908, 5171726, 5541135, 7388180, 7757589, 10343452, 11082270, 12929315, 15515178, 22164540, 25858630, 31030356, 38787945, 51717260, 77575890, 155151780]

約数ペア:

[(1, 155151780), (2, 77575890), (3, 51717260), (4, 38787945), (5, 31030356), (6, 25858630), (7, 22164540), (10, 15515178), (12, 12929315), (14, 11082270), (15, 10343452), (20, 7757589), (21, 7388180), (28, 5541135), (30, 5171726), (35, 4432908), (42, 3694090), (60, 2585863), (70, 2216454), (84, 1847045), (105, 1477636), (140, 1108227), (210, 738818), (420, 369409)]