260904618

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 679526400

約数和(自身を除く): 418621782

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 31, 38, 39, 54, 57, 62, 78, 93, 114, 117, 171, 186, 234, 247, 279, 342, 351, 403, 494, 513, 558, 589, 631, 702, 741, 806, 837, 1026, 1178, 1209, 1262, 1482, 1674, 1767, 1893, 2223, 2418, 3534, 3627, 3786, 4446, 5301, 5679, 6669, 7254, 7657, 8203, 10602, 10881, 11358, 11989, 13338, 15314, 15903, 16406, 17037, 19561, 21762, 22971, 23978, 24609, 31806, 34074, 35967, 39122, 45942, 49218, 58683, 68913, 71934, 73827, 107901, 117366, 137826, 147654, 155857, 176049, 206739, 215802, 221481, 254293, 311714, 323703, 352098, 371659, 413478, 442962, 467571, 508586, 528147, 647406, 743318, 762879, 935142, 1056294, 1114977, 1402713, 1525758, 2229954, 2288637, 2805426, 3344931, 4208139, 4577274, 4831567, 6689862, 6865911, 8416278, 9663134, 10034793, 13731822, 14494701, 20069586, 28989402, 43484103, 86968206, 130452309, 260904618]

約数ペア:

[(1, 260904618), (2, 130452309), (3, 86968206), (6, 43484103), (9, 28989402), (13, 20069586), (18, 14494701), (19, 13731822), (26, 10034793), (27, 9663134), (31, 8416278), (38, 6865911), (39, 6689862), (54, 4831567), (57, 4577274), (62, 4208139), (78, 3344931), (93, 2805426), (114, 2288637), (117, 2229954), (171, 1525758), (186, 1402713), (234, 1114977), (247, 1056294), (279, 935142), (342, 762879), (351, 743318), (403, 647406), (494, 528147), (513, 508586), (558, 467571), (589, 442962), (631, 413478), (702, 371659), (741, 352098), (806, 323703), (837, 311714), (1026, 254293), (1178, 221481), (1209, 215802), (1262, 206739), (1482, 176049), (1674, 155857), (1767, 147654), (1893, 137826), (2223, 117366), (2418, 107901), (3534, 73827), (3627, 71934), (3786, 68913), (4446, 58683), (5301, 49218), (5679, 45942), (6669, 39122), (7254, 35967), (7657, 34074), (8203, 31806), (10602, 24609), (10881, 23978), (11358, 22971), (11989, 21762), (13338, 19561), (15314, 17037), (15903, 16406)]