398197680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1879}}^1$

素因数の和:2778

約数の個数: 80

約数和(自身を含む): 1236468480

約数和(自身を除く): 838270800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 883, 1766, 1879, 2649, 3532, 3758, 4415, 5298, 5637, 7064, 7516, 8830, 9395, 10596, 11274, 13245, 14128, 15032, 17660, 18790, 21192, 22548, 26490, 28185, 30064, 35320, 37580, 42384, 45096, 52980, 56370, 70640, 75160, 90192, 105960, 112740, 150320, 211920, 225480, 450960, 1659157, 3318314, 4977471, 6636628, 8295785, 9954942, 13273256, 16591570, 19909884, 24887355, 26546512, 33183140, 39819768, 49774710, 66366280, 79639536, 99549420, 132732560, 199098840, 398197680]

約数ペア:

[(1, 398197680), (2, 199098840), (3, 132732560), (4, 99549420), (5, 79639536), (6, 66366280), (8, 49774710), (10, 39819768), (12, 33183140), (15, 26546512), (16, 24887355), (20, 19909884), (24, 16591570), (30, 13273256), (40, 9954942), (48, 8295785), (60, 6636628), (80, 4977471), (120, 3318314), (240, 1659157), (883, 450960), (1766, 225480), (1879, 211920), (2649, 150320), (3532, 112740), (3758, 105960), (4415, 90192), (5298, 75160), (5637, 70640), (7064, 56370), (7516, 52980), (8830, 45096), (9395, 42384), (10596, 37580), (11274, 35320), (13245, 30064), (14128, 28185), (15032, 26490), (17660, 22548), (18790, 21192)]