64121960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:763

約数の個数: 128

約数和(自身を含む): 184032000

約数和(自身を除く): 119910040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 709, 760, 952, 1064, 1190, 1292, 1330, 1418, 1615, 2261, 2380, 2584, 2660, 2836, 3230, 3545, 4522, 4760, 4963, 5320, 5672, 6460, 7090, 9044, 9926, 11305, 12053, 12920, 13471, 14180, 18088, 19852, 22610, 24106, 24815, 26942, 28360, 39704, 45220, 48212, 49630, 53884, 60265, 67355, 84371, 90440, 94297, 96424, 99260, 107768, 120530, 134710, 168742, 188594, 198520, 229007, 241060, 269420, 337484, 377188, 421855, 458014, 471485, 482120, 538840, 674968, 754376, 843710, 916028, 942970, 1145035, 1603049, 1687420, 1832056, 1885940, 2290070, 3206098, 3374840, 3771880, 4580140, 6412196, 8015245, 9160280, 12824392, 16030490, 32060980, 64121960]

約数ペア:

[(1, 64121960), (2, 32060980), (4, 16030490), (5, 12824392), (7, 9160280), (8, 8015245), (10, 6412196), (14, 4580140), (17, 3771880), (19, 3374840), (20, 3206098), (28, 2290070), (34, 1885940), (35, 1832056), (38, 1687420), (40, 1603049), (56, 1145035), (68, 942970), (70, 916028), (76, 843710), (85, 754376), (95, 674968), (119, 538840), (133, 482120), (136, 471485), (140, 458014), (152, 421855), (170, 377188), (190, 337484), (238, 269420), (266, 241060), (280, 229007), (323, 198520), (340, 188594), (380, 168742), (476, 134710), (532, 120530), (595, 107768), (646, 99260), (665, 96424), (680, 94297), (709, 90440), (760, 84371), (952, 67355), (1064, 60265), (1190, 53884), (1292, 49630), (1330, 48212), (1418, 45220), (1615, 39704), (2261, 28360), (2380, 26942), (2584, 24815), (2660, 24106), (2836, 22610), (3230, 19852), (3545, 18088), (4522, 14180), (4760, 13471), (4963, 12920), (5320, 12053), (5672, 11305), (6460, 9926), (7090, 9044)]