18072180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{683}}^1$

素因数の和:715

約数の個数: 144

約数和(自身を含む): 65499840

約数和(自身を除く): 47427660

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, 683, 735, 756, 882, 945, 980, 1260, 1323, 1366, 1470, 1764, 1890, 2049, 2205, 2646, 2732, 2940, 3415, 3780, 4098, 4410, 4781, 5292, 6147, 6615, 6830, 8196, 8820, 9562, 10245, 12294, 13230, 13660, 14343, 18441, 19124, 20490, 23905, 24588, 26460, 28686, 30735, 33467, 36882, 40980, 43029, 47810, 57372, 61470, 66934, 71715, 73764, 86058, 92205, 95620, 100401, 122940, 129087, 133868, 143430, 167335, 172116, 184410, 200802, 215145, 258174, 286860, 301203, 334670, 368820, 401604, 430290, 502005, 516348, 602406, 645435, 669340, 860580, 903609, 1004010, 1204812, 1290870, 1506015, 1807218, 2008020, 2581740, 3012030, 3614436, 4518045, 6024060, 9036090, 18072180]

約数ペア:

[(1, 18072180), (2, 9036090), (3, 6024060), (4, 4518045), (5, 3614436), (6, 3012030), (7, 2581740), (9, 2008020), (10, 1807218), (12, 1506015), (14, 1290870), (15, 1204812), (18, 1004010), (20, 903609), (21, 860580), (27, 669340), (28, 645435), (30, 602406), (35, 516348), (36, 502005), (42, 430290), (45, 401604), (49, 368820), (54, 334670), (60, 301203), (63, 286860), (70, 258174), (84, 215145), (90, 200802), (98, 184410), (105, 172116), (108, 167335), (126, 143430), (135, 133868), (140, 129087), (147, 122940), (180, 100401), (189, 95620), (196, 92205), (210, 86058), (245, 73764), (252, 71715), (270, 66934), (294, 61470), (315, 57372), (378, 47810), (420, 43029), (441, 40980), (490, 36882), (540, 33467), (588, 30735), (630, 28686), (683, 26460), (735, 24588), (756, 23905), (882, 20490), (945, 19124), (980, 18441), (1260, 14343), (1323, 13660), (1366, 13230), (1470, 12294), (1764, 10245), (1890, 9562), (2049, 8820), (2205, 8196), (2646, 6830), (2732, 6615), (2940, 6147), (3415, 5292), (3780, 4781), (4098, 4410)]