261928368

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:316

約数の個数: 180

約数和(自身を含む): 814188960

約数和(自身を除く): 552260592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 47, 48, 52, 72, 78, 94, 104, 117, 141, 144, 156, 169, 188, 208, 229, 234, 282, 312, 338, 376, 423, 458, 468, 507, 564, 611, 624, 676, 687, 752, 846, 916, 936, 1014, 1128, 1222, 1352, 1374, 1521, 1692, 1832, 1833, 1872, 2028, 2061, 2256, 2444, 2704, 2748, 2977, 3042, 3384, 3664, 3666, 4056, 4122, 4888, 5496, 5499, 5954, 6084, 6768, 7332, 7943, 8112, 8244, 8931, 9776, 10763, 10992, 10998, 11908, 12168, 14664, 15886, 16488, 17862, 21526, 21996, 23816, 23829, 24336, 26793, 29328, 31772, 32289, 32976, 35724, 38701, 43052, 43992, 47632, 47658, 53586, 63544, 64578, 71448, 71487, 77402, 86104, 87984, 95316, 96867, 107172, 116103, 127088, 129156, 139919, 142896, 142974, 154804, 172208, 190632, 193734, 214344, 232206, 258312, 279838, 285948, 309608, 348309, 381264, 387468, 419757, 428688, 464412, 516624, 559676, 571896, 619216, 696618, 774936, 839514, 928824, 1119352, 1143792, 1259271, 1393236, 1549872, 1679028, 1818947, 1857648, 2238704, 2518542, 2786472, 3358056, 3637894, 5037084, 5456841, 5572944, 6716112, 7275788, 10074168, 10913682, 14551576, 16370523, 20148336, 21827364, 29103152, 32741046, 43654728, 65482092, 87309456, 130964184, 261928368]

約数ペア:

[(1, 261928368), (2, 130964184), (3, 87309456), (4, 65482092), (6, 43654728), (8, 32741046), (9, 29103152), (12, 21827364), (13, 20148336), (16, 16370523), (18, 14551576), (24, 10913682), (26, 10074168), (36, 7275788), (39, 6716112), (47, 5572944), (48, 5456841), (52, 5037084), (72, 3637894), (78, 3358056), (94, 2786472), (104, 2518542), (117, 2238704), (141, 1857648), (144, 1818947), (156, 1679028), (169, 1549872), (188, 1393236), (208, 1259271), (229, 1143792), (234, 1119352), (282, 928824), (312, 839514), (338, 774936), (376, 696618), (423, 619216), (458, 571896), (468, 559676), (507, 516624), (564, 464412), (611, 428688), (624, 419757), (676, 387468), (687, 381264), (752, 348309), (846, 309608), (916, 285948), (936, 279838), (1014, 258312), (1128, 232206), (1222, 214344), (1352, 193734), (1374, 190632), (1521, 172208), (1692, 154804), (1832, 142974), (1833, 142896), (1872, 139919), (2028, 129156), (2061, 127088), (2256, 116103), (2444, 107172), (2704, 96867), (2748, 95316), (2977, 87984), (3042, 86104), (3384, 77402), (3664, 71487), (3666, 71448), (4056, 64578), (4122, 63544), (4888, 53586), (5496, 47658), (5499, 47632), (5954, 43992), (6084, 43052), (6768, 38701), (7332, 35724), (7943, 32976), (8112, 32289), (8244, 31772), (8931, 29328), (9776, 26793), (10763, 24336), (10992, 23829), (10998, 23816), (11908, 21996), (12168, 21526), (14664, 17862), (15886, 16488)]