51546390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{631}}^1$

素因数の和:1037

約数の個数: 64

約数和(自身を含む): 141972480

約数和(自身を除く): 90426090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389, 631, 778, 1167, 1262, 1893, 1945, 2334, 2723, 3155, 3786, 3890, 4417, 5446, 5835, 6310, 8169, 8834, 9465, 11670, 13251, 13615, 16338, 18930, 22085, 26502, 27230, 40845, 44170, 66255, 81690, 132510, 245459, 490918, 736377, 1227295, 1472754, 1718213, 2454590, 3436426, 3681885, 5154639, 7363770, 8591065, 10309278, 17182130, 25773195, 51546390]

約数ペア:

[(1, 51546390), (2, 25773195), (3, 17182130), (5, 10309278), (6, 8591065), (7, 7363770), (10, 5154639), (14, 3681885), (15, 3436426), (21, 2454590), (30, 1718213), (35, 1472754), (42, 1227295), (70, 736377), (105, 490918), (210, 245459), (389, 132510), (631, 81690), (778, 66255), (1167, 44170), (1262, 40845), (1893, 27230), (1945, 26502), (2334, 22085), (2723, 18930), (3155, 16338), (3786, 13615), (3890, 13251), (4417, 11670), (5446, 9465), (5835, 8834), (6310, 8169)]