16722720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{79}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 68947200

約数和(自身を除く): 52224480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 79, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 158, 160, 168, 180, 189, 196, 210, 216, 224, 237, 240, 245, 252, 270, 280, 288, 294, 315, 316, 336, 360, 378, 392, 395, 420, 432, 441, 474, 480, 490, 504, 540, 553, 560, 588, 630, 632, 672, 711, 720, 735, 756, 784, 790, 840, 864, 882, 945, 948, 980, 1008, 1080, 1106, 1120, 1176, 1185, 1260, 1264, 1323, 1422, 1440, 1470, 1512, 1568, 1580, 1659, 1680, 1764, 1890, 1896, 1960, 2016, 2133, 2160, 2205, 2212, 2352, 2370, 2520, 2528, 2646, 2765, 2844, 2940, 3024, 3160, 3318, 3360, 3528, 3555, 3780, 3792, 3871, 3920, 4266, 4320, 4410, 4424, 4704, 4740, 4977, 5040, 5292, 5530, 5688, 5880, 6048, 6320, 6615, 6636, 7056, 7110, 7560, 7584, 7742, 7840, 8295, 8532, 8820, 8848, 9480, 9954, 10080, 10584, 10665, 11060, 11376, 11613, 11760, 12640, 13230, 13272, 14112, 14220, 14931, 15120, 15484, 16590, 17064, 17640, 17696, 18960, 19355, 19908, 21168, 21330, 22120, 22752, 23226, 23520, 24885, 26460, 26544, 28440, 29862, 30240, 30968, 33180, 34128, 34839, 35280, 37920, 38710, 39816, 42336, 42660, 44240, 46452, 49770, 52920, 53088, 56880, 58065, 59724, 61936, 66360, 68256, 69678, 70560, 74655, 77420, 79632, 85320, 88480, 92904, 99540, 104517, 105840, 113760, 116130, 119448, 123872, 132720, 139356, 149310, 154840, 159264, 170640, 174195, 185808, 199080, 209034, 211680, 232260, 238896, 265440, 278712, 298620, 309680, 341280, 348390, 371616, 398160, 418068, 464520, 477792, 522585, 557424, 597240, 619360, 696780, 796320, 836136, 929040, 1045170, 1114848, 1194480, 1393560, 1672272, 1858080, 2090340, 2388960, 2787120, 3344544, 4180680, 5574240, 8361360, 16722720]

約数ペア:

[(1, 16722720), (2, 8361360), (3, 5574240), (4, 4180680), (5, 3344544), (6, 2787120), (7, 2388960), (8, 2090340), (9, 1858080), (10, 1672272), (12, 1393560), (14, 1194480), (15, 1114848), (16, 1045170), (18, 929040), (20, 836136), (21, 796320), (24, 696780), (27, 619360), (28, 597240), (30, 557424), (32, 522585), (35, 477792), (36, 464520), (40, 418068), (42, 398160), (45, 371616), (48, 348390), (49, 341280), (54, 309680), (56, 298620), (60, 278712), (63, 265440), (70, 238896), (72, 232260), (79, 211680), (80, 209034), (84, 199080), (90, 185808), (96, 174195), (98, 170640), (105, 159264), (108, 154840), (112, 149310), (120, 139356), (126, 132720), (135, 123872), (140, 119448), (144, 116130), (147, 113760), (158, 105840), (160, 104517), (168, 99540), (180, 92904), (189, 88480), (196, 85320), (210, 79632), (216, 77420), (224, 74655), (237, 70560), (240, 69678), (245, 68256), (252, 66360), (270, 61936), (280, 59724), (288, 58065), (294, 56880), (315, 53088), (316, 52920), (336, 49770), (360, 46452), (378, 44240), (392, 42660), (395, 42336), (420, 39816), (432, 38710), (441, 37920), (474, 35280), (480, 34839), (490, 34128), (504, 33180), (540, 30968), (553, 30240), (560, 29862), (588, 28440), (630, 26544), (632, 26460), (672, 24885), (711, 23520), (720, 23226), (735, 22752), (756, 22120), (784, 21330), (790, 21168), (840, 19908), (864, 19355), (882, 18960), (945, 17696), (948, 17640), (980, 17064), (1008, 16590), (1080, 15484), (1106, 15120), (1120, 14931), (1176, 14220), (1185, 14112), (1260, 13272), (1264, 13230), (1323, 12640), (1422, 11760), (1440, 11613), (1470, 11376), (1512, 11060), (1568, 10665), (1580, 10584), (1659, 10080), (1680, 9954), (1764, 9480), (1890, 8848), (1896, 8820), (1960, 8532), (2016, 8295), (2133, 7840), (2160, 7742), (2205, 7584), (2212, 7560), (2352, 7110), (2370, 7056), (2520, 6636), (2528, 6615), (2646, 6320), (2765, 6048), (2844, 5880), (2940, 5688), (3024, 5530), (3160, 5292), (3318, 5040), (3360, 4977), (3528, 4740), (3555, 4704), (3780, 4424), (3792, 4410), (3871, 4320), (3920, 4266)]