15991668

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 120

約数和(自身を含む): 52202304

約数和(自身を除く): 36210636

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 252, 297, 308, 324, 378, 396, 462, 567, 594, 641, 693, 756, 891, 924, 1134, 1188, 1282, 1386, 1782, 1923, 2079, 2268, 2564, 2772, 3564, 3846, 4158, 4487, 5769, 6237, 7051, 7692, 8316, 8974, 11538, 12474, 13461, 14102, 17307, 17948, 21153, 23076, 24948, 26922, 28204, 34614, 40383, 42306, 49357, 51921, 53844, 63459, 69228, 80766, 84612, 98714, 103842, 121149, 126918, 148071, 161532, 190377, 197428, 207684, 242298, 253836, 296142, 363447, 380754, 444213, 484596, 571131, 592284, 726894, 761508, 888426, 1142262, 1332639, 1453788, 1776852, 2284524, 2665278, 3997917, 5330556, 7995834, 15991668]

約数ペア:

[(1, 15991668), (2, 7995834), (3, 5330556), (4, 3997917), (6, 2665278), (7, 2284524), (9, 1776852), (11, 1453788), (12, 1332639), (14, 1142262), (18, 888426), (21, 761508), (22, 726894), (27, 592284), (28, 571131), (33, 484596), (36, 444213), (42, 380754), (44, 363447), (54, 296142), (63, 253836), (66, 242298), (77, 207684), (81, 197428), (84, 190377), (99, 161532), (108, 148071), (126, 126918), (132, 121149), (154, 103842), (162, 98714), (189, 84612), (198, 80766), (231, 69228), (252, 63459), (297, 53844), (308, 51921), (324, 49357), (378, 42306), (396, 40383), (462, 34614), (567, 28204), (594, 26922), (641, 24948), (693, 23076), (756, 21153), (891, 17948), (924, 17307), (1134, 14102), (1188, 13461), (1282, 12474), (1386, 11538), (1782, 8974), (1923, 8316), (2079, 7692), (2268, 7051), (2564, 6237), (2772, 5769), (3564, 4487), (3846, 4158)]