71227980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5009}}^1$

素因数の和:5103

約数の個数: 72

約数和(自身を含む): 218836800

約数和(自身を除く): 147608820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 5009, 7110, 10018, 14220, 15027, 20036, 25045, 30054, 45081, 50090, 60108, 75135, 90162, 100180, 150270, 180324, 225405, 300540, 395711, 450810, 791422, 901620, 1187133, 1582844, 1978555, 2374266, 3561399, 3957110, 4748532, 5935665, 7122798, 7914220, 11871330, 14245596, 17806995, 23742660, 35613990, 71227980]

約数ペア:

[(1, 71227980), (2, 35613990), (3, 23742660), (4, 17806995), (5, 14245596), (6, 11871330), (9, 7914220), (10, 7122798), (12, 5935665), (15, 4748532), (18, 3957110), (20, 3561399), (30, 2374266), (36, 1978555), (45, 1582844), (60, 1187133), (79, 901620), (90, 791422), (158, 450810), (180, 395711), (237, 300540), (316, 225405), (395, 180324), (474, 150270), (711, 100180), (790, 90162), (948, 75135), (1185, 60108), (1422, 50090), (1580, 45081), (2370, 30054), (2844, 25045), (3555, 20036), (4740, 15027), (5009, 14220), (7110, 10018)]