31727220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75541}}^1$

素因数の和:75560

約数の個数: 48

約数和(自身を含む): 101528448

約数和(自身を除く): 69801228

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, 75541, 151082, 226623, 302164, 377705, 453246, 528787, 755410, 906492, 1057574, 1133115, 1510820, 1586361, 2115148, 2266230, 2643935, 3172722, 4532460, 5287870, 6345444, 7931805, 10575740, 15863610, 31727220]

約数ペア:

[(1, 31727220), (2, 15863610), (3, 10575740), (4, 7931805), (5, 6345444), (6, 5287870), (7, 4532460), (10, 3172722), (12, 2643935), (14, 2266230), (15, 2115148), (20, 1586361), (21, 1510820), (28, 1133115), (30, 1057574), (35, 906492), (42, 755410), (60, 528787), (70, 453246), (84, 377705), (105, 302164), (140, 226623), (210, 151082), (420, 75541)]