15148840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 40629600

約数和(自身を除く): 25480760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 131, 140, 196, 236, 245, 262, 280, 295, 392, 413, 472, 490, 524, 590, 655, 826, 917, 980, 1048, 1180, 1310, 1652, 1834, 1960, 2065, 2360, 2620, 2891, 3304, 3668, 4130, 4585, 5240, 5782, 6419, 7336, 7729, 8260, 9170, 11564, 12838, 14455, 15458, 16520, 18340, 23128, 25676, 28910, 30916, 32095, 36680, 38645, 51352, 54103, 57820, 61832, 64190, 77290, 108206, 115640, 128380, 154580, 216412, 256760, 270515, 309160, 378721, 432824, 541030, 757442, 1082060, 1514884, 1893605, 2164120, 3029768, 3787210, 7574420, 15148840]

約数ペア:

[(1, 15148840), (2, 7574420), (4, 3787210), (5, 3029768), (7, 2164120), (8, 1893605), (10, 1514884), (14, 1082060), (20, 757442), (28, 541030), (35, 432824), (40, 378721), (49, 309160), (56, 270515), (59, 256760), (70, 216412), (98, 154580), (118, 128380), (131, 115640), (140, 108206), (196, 77290), (236, 64190), (245, 61832), (262, 57820), (280, 54103), (295, 51352), (392, 38645), (413, 36680), (472, 32095), (490, 30916), (524, 28910), (590, 25676), (655, 23128), (826, 18340), (917, 16520), (980, 15458), (1048, 14455), (1180, 12838), (1310, 11564), (1652, 9170), (1834, 8260), (1960, 7729), (2065, 7336), (2360, 6419), (2620, 5782), (2891, 5240), (3304, 4585), (3668, 4130)]