155013640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 362880000

約数和(自身を除く): 207866360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 596, 620, 745, 839, 1192, 1240, 1490, 1678, 2980, 3356, 4195, 4619, 5960, 6712, 8390, 9238, 16780, 18476, 23095, 26009, 33560, 36952, 46190, 52018, 92380, 104036, 125011, 130045, 184760, 208072, 250022, 260090, 500044, 520180, 625055, 1000088, 1040360, 1250110, 2500220, 3875341, 5000440, 7750682, 15501364, 19376705, 31002728, 38753410, 77506820, 155013640]

約数ペア:

[(1, 155013640), (2, 77506820), (4, 38753410), (5, 31002728), (8, 19376705), (10, 15501364), (20, 7750682), (31, 5000440), (40, 3875341), (62, 2500220), (124, 1250110), (149, 1040360), (155, 1000088), (248, 625055), (298, 520180), (310, 500044), (596, 260090), (620, 250022), (745, 208072), (839, 184760), (1192, 130045), (1240, 125011), (1490, 104036), (1678, 92380), (2980, 52018), (3356, 46190), (4195, 36952), (4619, 33560), (5960, 26009), (6712, 23095), (8390, 18476), (9238, 16780)]