31471020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24977}}^1$

素因数の和:24999

約数の個数: 72

約数和(自身を含む): 109103904

約数和(自身を除く): 77632884

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, 24977, 49954, 74931, 99908, 124885, 149862, 174839, 224793, 249770, 299724, 349678, 374655, 449586, 499540, 524517, 699356, 749310, 874195, 899172, 1049034, 1123965, 1498620, 1573551, 1748390, 2098068, 2247930, 2622585, 3147102, 3496780, 4495860, 5245170, 6294204, 7867755, 10490340, 15735510, 31471020]

約数ペア:

[(1, 31471020), (2, 15735510), (3, 10490340), (4, 7867755), (5, 6294204), (6, 5245170), (7, 4495860), (9, 3496780), (10, 3147102), (12, 2622585), (14, 2247930), (15, 2098068), (18, 1748390), (20, 1573551), (21, 1498620), (28, 1123965), (30, 1049034), (35, 899172), (36, 874195), (42, 749310), (45, 699356), (60, 524517), (63, 499540), (70, 449586), (84, 374655), (90, 349678), (105, 299724), (126, 249770), (140, 224793), (180, 174839), (210, 149862), (252, 124885), (315, 99908), (420, 74931), (630, 49954), (1260, 24977)]