87256728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 262070640

約数和(自身を除く): 174813912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 71, 72, 78, 101, 104, 117, 142, 156, 169, 202, 213, 234, 284, 303, 312, 338, 404, 426, 468, 507, 568, 606, 639, 676, 808, 852, 909, 923, 936, 1014, 1212, 1278, 1313, 1352, 1521, 1704, 1818, 1846, 2028, 2424, 2556, 2626, 2769, 3042, 3636, 3692, 3939, 4056, 5112, 5252, 5538, 6084, 7171, 7272, 7384, 7878, 8307, 10504, 11076, 11817, 11999, 12168, 14342, 15756, 16614, 17069, 21513, 22152, 23634, 23998, 28684, 31512, 33228, 34138, 35997, 43026, 47268, 47996, 51207, 57368, 64539, 66456, 68276, 71994, 86052, 93223, 94536, 95992, 102414, 107991, 129078, 136552, 143988, 153621, 172104, 186446, 204828, 215982, 258156, 279669, 287976, 307242, 372892, 409656, 431964, 516312, 559338, 614484, 745784, 839007, 863928, 1118676, 1211899, 1228968, 1678014, 2237352, 2423798, 3356028, 3635697, 4847596, 6712056, 7271394, 9695192, 10907091, 14542788, 21814182, 29085576, 43628364, 87256728]

約数ペア:

[(1, 87256728), (2, 43628364), (3, 29085576), (4, 21814182), (6, 14542788), (8, 10907091), (9, 9695192), (12, 7271394), (13, 6712056), (18, 4847596), (24, 3635697), (26, 3356028), (36, 2423798), (39, 2237352), (52, 1678014), (71, 1228968), (72, 1211899), (78, 1118676), (101, 863928), (104, 839007), (117, 745784), (142, 614484), (156, 559338), (169, 516312), (202, 431964), (213, 409656), (234, 372892), (284, 307242), (303, 287976), (312, 279669), (338, 258156), (404, 215982), (426, 204828), (468, 186446), (507, 172104), (568, 153621), (606, 143988), (639, 136552), (676, 129078), (808, 107991), (852, 102414), (909, 95992), (923, 94536), (936, 93223), (1014, 86052), (1212, 71994), (1278, 68276), (1313, 66456), (1352, 64539), (1521, 57368), (1704, 51207), (1818, 47996), (1846, 47268), (2028, 43026), (2424, 35997), (2556, 34138), (2626, 33228), (2769, 31512), (3042, 28684), (3636, 23998), (3692, 23634), (3939, 22152), (4056, 21513), (5112, 17069), (5252, 16614), (5538, 15756), (6084, 14342), (7171, 12168), (7272, 11999), (7384, 11817), (7878, 11076), (8307, 10504)]