40986540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{1549}}^1$

素因数の和:1581

約数の個数: 144

約数和(自身を含む): 148428000

約数和(自身を除く): 107441460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1549, 1764, 1890, 2205, 2646, 2940, 3098, 3780, 4410, 4647, 5292, 6196, 6615, 7745, 8820, 9294, 10843, 13230, 13941, 15490, 18588, 21686, 23235, 26460, 27882, 30980, 32529, 41823, 43372, 46470, 54215, 55764, 65058, 69705, 75901, 83646, 92940, 97587, 108430, 130116, 139410, 151802, 162645, 167292, 195174, 209115, 216860, 227703, 278820, 292761, 303604, 325290, 379505, 390348, 418230, 455406, 487935, 585522, 650580, 683109, 759010, 836460, 910812, 975870, 1138515, 1171044, 1366218, 1463805, 1518020, 1951740, 2049327, 2277030, 2732436, 2927610, 3415545, 4098654, 4554060, 5855220, 6831090, 8197308, 10246635, 13662180, 20493270, 40986540]

約数ペア:

[(1, 40986540), (2, 20493270), (3, 13662180), (4, 10246635), (5, 8197308), (6, 6831090), (7, 5855220), (9, 4554060), (10, 4098654), (12, 3415545), (14, 2927610), (15, 2732436), (18, 2277030), (20, 2049327), (21, 1951740), (27, 1518020), (28, 1463805), (30, 1366218), (35, 1171044), (36, 1138515), (42, 975870), (45, 910812), (49, 836460), (54, 759010), (60, 683109), (63, 650580), (70, 585522), (84, 487935), (90, 455406), (98, 418230), (105, 390348), (108, 379505), (126, 325290), (135, 303604), (140, 292761), (147, 278820), (180, 227703), (189, 216860), (196, 209115), (210, 195174), (245, 167292), (252, 162645), (270, 151802), (294, 139410), (315, 130116), (378, 108430), (420, 97587), (441, 92940), (490, 83646), (540, 75901), (588, 69705), (630, 65058), (735, 55764), (756, 54215), (882, 46470), (945, 43372), (980, 41823), (1260, 32529), (1323, 30980), (1470, 27882), (1549, 26460), (1764, 23235), (1890, 21686), (2205, 18588), (2646, 15490), (2940, 13941), (3098, 13230), (3780, 10843), (4410, 9294), (4647, 8820), (5292, 7745), (6196, 6615)]