2787120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1$

素因数の和:112

約数の個数: 180

約数和(自身を含む): 11026080

約数和(自身を除く): 8238960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 79, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 158, 168, 180, 196, 210, 237, 240, 245, 252, 280, 294, 315, 316, 336, 360, 392, 395, 420, 441, 474, 490, 504, 553, 560, 588, 630, 632, 711, 720, 735, 784, 790, 840, 882, 948, 980, 1008, 1106, 1176, 1185, 1260, 1264, 1422, 1470, 1580, 1659, 1680, 1764, 1896, 1960, 2205, 2212, 2352, 2370, 2520, 2765, 2844, 2940, 3160, 3318, 3528, 3555, 3792, 3871, 3920, 4410, 4424, 4740, 4977, 5040, 5530, 5688, 5880, 6320, 6636, 7056, 7110, 7742, 8295, 8820, 8848, 9480, 9954, 11060, 11376, 11613, 11760, 13272, 14220, 15484, 16590, 17640, 18960, 19355, 19908, 22120, 23226, 24885, 26544, 28440, 30968, 33180, 34839, 35280, 38710, 39816, 44240, 46452, 49770, 56880, 58065, 61936, 66360, 69678, 77420, 79632, 92904, 99540, 116130, 132720, 139356, 154840, 174195, 185808, 199080, 232260, 278712, 309680, 348390, 398160, 464520, 557424, 696780, 929040, 1393560, 2787120]

約数ペア:

[(1, 2787120), (2, 1393560), (3, 929040), (4, 696780), (5, 557424), (6, 464520), (7, 398160), (8, 348390), (9, 309680), (10, 278712), (12, 232260), (14, 199080), (15, 185808), (16, 174195), (18, 154840), (20, 139356), (21, 132720), (24, 116130), (28, 99540), (30, 92904), (35, 79632), (36, 77420), (40, 69678), (42, 66360), (45, 61936), (48, 58065), (49, 56880), (56, 49770), (60, 46452), (63, 44240), (70, 39816), (72, 38710), (79, 35280), (80, 34839), (84, 33180), (90, 30968), (98, 28440), (105, 26544), (112, 24885), (120, 23226), (126, 22120), (140, 19908), (144, 19355), (147, 18960), (158, 17640), (168, 16590), (180, 15484), (196, 14220), (210, 13272), (237, 11760), (240, 11613), (245, 11376), (252, 11060), (280, 9954), (294, 9480), (315, 8848), (316, 8820), (336, 8295), (360, 7742), (392, 7110), (395, 7056), (420, 6636), (441, 6320), (474, 5880), (490, 5688), (504, 5530), (553, 5040), (560, 4977), (588, 4740), (630, 4424), (632, 4410), (711, 3920), (720, 3871), (735, 3792), (784, 3555), (790, 3528), (840, 3318), (882, 3160), (948, 2940), (980, 2844), (1008, 2765), (1106, 2520), (1176, 2370), (1185, 2352), (1260, 2212), (1264, 2205), (1422, 1960), (1470, 1896), (1580, 1764), (1659, 1680)]