154804520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 394359840

約数和(自身を除く): 239555320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 53, 65, 82, 104, 106, 130, 137, 164, 205, 212, 260, 265, 274, 328, 410, 424, 520, 530, 533, 548, 685, 689, 820, 1060, 1066, 1096, 1370, 1378, 1640, 1781, 2120, 2132, 2173, 2665, 2740, 2756, 3445, 3562, 4264, 4346, 5330, 5480, 5512, 5617, 6890, 7124, 7261, 8692, 8905, 10660, 10865, 11234, 13780, 14248, 14522, 17384, 17810, 21320, 21730, 22468, 27560, 28085, 28249, 29044, 35620, 36305, 43460, 44936, 56170, 56498, 58088, 71240, 72610, 73021, 86920, 94393, 112340, 112996, 141245, 145220, 146042, 188786, 224680, 225992, 282490, 290440, 292084, 297701, 365105, 377572, 471965, 564980, 584168, 595402, 730210, 755144, 943930, 1129960, 1190804, 1460420, 1488505, 1887860, 2381608, 2920840, 2977010, 3775720, 3870113, 5954020, 7740226, 11908040, 15480452, 19350565, 30960904, 38701130, 77402260, 154804520]

約数ペア:

[(1, 154804520), (2, 77402260), (4, 38701130), (5, 30960904), (8, 19350565), (10, 15480452), (13, 11908040), (20, 7740226), (26, 5954020), (40, 3870113), (41, 3775720), (52, 2977010), (53, 2920840), (65, 2381608), (82, 1887860), (104, 1488505), (106, 1460420), (130, 1190804), (137, 1129960), (164, 943930), (205, 755144), (212, 730210), (260, 595402), (265, 584168), (274, 564980), (328, 471965), (410, 377572), (424, 365105), (520, 297701), (530, 292084), (533, 290440), (548, 282490), (685, 225992), (689, 224680), (820, 188786), (1060, 146042), (1066, 145220), (1096, 141245), (1370, 112996), (1378, 112340), (1640, 94393), (1781, 86920), (2120, 73021), (2132, 72610), (2173, 71240), (2665, 58088), (2740, 56498), (2756, 56170), (3445, 44936), (3562, 43460), (4264, 36305), (4346, 35620), (5330, 29044), (5480, 28249), (5512, 28085), (5617, 27560), (6890, 22468), (7124, 21730), (7261, 21320), (8692, 17810), (8905, 17384), (10660, 14522), (10865, 14248), (11234, 13780)]