81973080

素因数分解:

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

素因数の和:1583

約数の個数: 192

約数和(自身を含む): 318060000

約数和(自身を除く): 236086920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1549, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3098, 3528, 3780, 4410, 4647, 5292, 5880, 6196, 6615, 7560, 7745, 8820, 9294, 10584, 10843, 12392, 13230, 13941, 15490, 17640, 18588, 21686, 23235, 26460, 27882, 30980, 32529, 37176, 41823, 43372, 46470, 52920, 54215, 55764, 61960, 65058, 69705, 75901, 83646, 86744, 92940, 97587, 108430, 111528, 130116, 139410, 151802, 162645, 167292, 185880, 195174, 209115, 216860, 227703, 260232, 278820, 292761, 303604, 325290, 334584, 379505, 390348, 418230, 433720, 455406, 487935, 557640, 585522, 607208, 650580, 683109, 759010, 780696, 836460, 910812, 975870, 1138515, 1171044, 1301160, 1366218, 1463805, 1518020, 1672920, 1821624, 1951740, 2049327, 2277030, 2342088, 2732436, 2927610, 3036040, 3415545, 3903480, 4098654, 4554060, 5464872, 5855220, 6831090, 8197308, 9108120, 10246635, 11710440, 13662180, 16394616, 20493270, 27324360, 40986540, 81973080]

約数ペア:

[(1, 81973080), (2, 40986540), (3, 27324360), (4, 20493270), (5, 16394616), (6, 13662180), (7, 11710440), (8, 10246635), (9, 9108120), (10, 8197308), (12, 6831090), (14, 5855220), (15, 5464872), (18, 4554060), (20, 4098654), (21, 3903480), (24, 3415545), (27, 3036040), (28, 2927610), (30, 2732436), (35, 2342088), (36, 2277030), (40, 2049327), (42, 1951740), (45, 1821624), (49, 1672920), (54, 1518020), (56, 1463805), (60, 1366218), (63, 1301160), (70, 1171044), (72, 1138515), (84, 975870), (90, 910812), (98, 836460), (105, 780696), (108, 759010), (120, 683109), (126, 650580), (135, 607208), (140, 585522), (147, 557640), (168, 487935), (180, 455406), (189, 433720), (196, 418230), (210, 390348), (216, 379505), (245, 334584), (252, 325290), (270, 303604), (280, 292761), (294, 278820), (315, 260232), (360, 227703), (378, 216860), (392, 209115), (420, 195174), (441, 185880), (490, 167292), (504, 162645), (540, 151802), (588, 139410), (630, 130116), (735, 111528), (756, 108430), (840, 97587), (882, 92940), (945, 86744), (980, 83646), (1080, 75901), (1176, 69705), (1260, 65058), (1323, 61960), (1470, 55764), (1512, 54215), (1549, 52920), (1764, 46470), (1890, 43372), (1960, 41823), (2205, 37176), (2520, 32529), (2646, 30980), (2940, 27882), (3098, 26460), (3528, 23235), (3780, 21686), (4410, 18588), (4647, 17640), (5292, 15490), (5880, 13941), (6196, 13230), (6615, 12392), (7560, 10843), (7745, 10584), (8820, 9294)]