87711720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1879}}^1$

素因数の和:2282

約数の個数: 64

約数和(自身を含む): 263952000

約数和(自身を除く): 176240280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1556, 1879, 1945, 2334, 3112, 3758, 3890, 4668, 5637, 5835, 7516, 7780, 9336, 9395, 11274, 11670, 15032, 15560, 18790, 22548, 23340, 28185, 37580, 45096, 46680, 56370, 75160, 112740, 225480, 730931, 1461862, 2192793, 2923724, 3654655, 4385586, 5847448, 7309310, 8771172, 10963965, 14618620, 17542344, 21927930, 29237240, 43855860, 87711720]

約数ペア:

[(1, 87711720), (2, 43855860), (3, 29237240), (4, 21927930), (5, 17542344), (6, 14618620), (8, 10963965), (10, 8771172), (12, 7309310), (15, 5847448), (20, 4385586), (24, 3654655), (30, 2923724), (40, 2192793), (60, 1461862), (120, 730931), (389, 225480), (778, 112740), (1167, 75160), (1556, 56370), (1879, 46680), (1945, 45096), (2334, 37580), (3112, 28185), (3758, 23340), (3890, 22548), (4668, 18790), (5637, 15560), (5835, 15032), (7516, 11670), (7780, 11274), (9336, 9395)]