207774540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 649958400

約数和(自身を除く): 442183860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 127, 149, 180, 183, 244, 254, 298, 305, 366, 381, 447, 508, 549, 596, 610, 635, 732, 745, 762, 894, 915, 1098, 1143, 1220, 1270, 1341, 1490, 1524, 1788, 1830, 1905, 2196, 2235, 2286, 2540, 2682, 2745, 2980, 3660, 3810, 4470, 4572, 5364, 5490, 5715, 6705, 7620, 7747, 8940, 9089, 10980, 11430, 13410, 15494, 18178, 18923, 22860, 23241, 26820, 27267, 30988, 36356, 37846, 38735, 45445, 46482, 54534, 56769, 69723, 75692, 77470, 81801, 90890, 92964, 94615, 109068, 113538, 116205, 136335, 139446, 154940, 163602, 170307, 181780, 189230, 227076, 232410, 272670, 278892, 283845, 327204, 340614, 348615, 378460, 409005, 464820, 545340, 567690, 681228, 697230, 818010, 851535, 1135380, 1154303, 1394460, 1636020, 1703070, 2308606, 3406140, 3462909, 4617212, 5771515, 6925818, 10388727, 11543030, 13851636, 17314545, 20777454, 23086060, 34629090, 41554908, 51943635, 69258180, 103887270, 207774540]

約数ペア:

[(1, 207774540), (2, 103887270), (3, 69258180), (4, 51943635), (5, 41554908), (6, 34629090), (9, 23086060), (10, 20777454), (12, 17314545), (15, 13851636), (18, 11543030), (20, 10388727), (30, 6925818), (36, 5771515), (45, 4617212), (60, 3462909), (61, 3406140), (90, 2308606), (122, 1703070), (127, 1636020), (149, 1394460), (180, 1154303), (183, 1135380), (244, 851535), (254, 818010), (298, 697230), (305, 681228), (366, 567690), (381, 545340), (447, 464820), (508, 409005), (549, 378460), (596, 348615), (610, 340614), (635, 327204), (732, 283845), (745, 278892), (762, 272670), (894, 232410), (915, 227076), (1098, 189230), (1143, 181780), (1220, 170307), (1270, 163602), (1341, 154940), (1490, 139446), (1524, 136335), (1788, 116205), (1830, 113538), (1905, 109068), (2196, 94615), (2235, 92964), (2286, 90890), (2540, 81801), (2682, 77470), (2745, 75692), (2980, 69723), (3660, 56769), (3810, 54534), (4470, 46482), (4572, 45445), (5364, 38735), (5490, 37846), (5715, 36356), (6705, 30988), (7620, 27267), (7747, 26820), (8940, 23241), (9089, 22860), (10980, 18923), (11430, 18178), (13410, 15494)]