320532456

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 812018880

約数和(自身を除く): 491486424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 257, 314, 331, 471, 514, 628, 662, 771, 942, 993, 1028, 1256, 1324, 1542, 1884, 1986, 2056, 2648, 3084, 3768, 3972, 6168, 7944, 40349, 51967, 80698, 85067, 103934, 121047, 155901, 161396, 170134, 207868, 242094, 255201, 311802, 322792, 340268, 415736, 484188, 510402, 623604, 680536, 968376, 1020804, 1247208, 2041608, 13355519, 26711038, 40066557, 53422076, 80133114, 106844152, 160266228, 320532456]

約数ペア:

[(1, 320532456), (2, 160266228), (3, 106844152), (4, 80133114), (6, 53422076), (8, 40066557), (12, 26711038), (24, 13355519), (157, 2041608), (257, 1247208), (314, 1020804), (331, 968376), (471, 680536), (514, 623604), (628, 510402), (662, 484188), (771, 415736), (942, 340268), (993, 322792), (1028, 311802), (1256, 255201), (1324, 242094), (1542, 207868), (1884, 170134), (1986, 161396), (2056, 155901), (2648, 121047), (3084, 103934), (3768, 85067), (3972, 80698), (6168, 51967), (7944, 40349)]