180404280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{487}}^1$

素因数の和:528

約数の個数: 256

約数和(自身を含む): 702720000

約数和(自身を除く): 522315720

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, 343, 360, 378, 392, 420, 441, 487, 490, 504, 540, 588, 630, 686, 735, 756, 840, 882, 945, 974, 980, 1029, 1080, 1176, 1260, 1323, 1372, 1461, 1470, 1512, 1715, 1764, 1890, 1948, 1960, 2058, 2205, 2435, 2520, 2646, 2744, 2922, 2940, 3087, 3409, 3430, 3528, 3780, 3896, 4116, 4383, 4410, 4870, 5145, 5292, 5844, 5880, 6174, 6615, 6818, 6860, 7305, 7560, 8232, 8766, 8820, 9261, 9740, 10227, 10290, 10584, 11688, 12348, 13149, 13230, 13636, 13720, 14610, 15435, 17045, 17532, 17640, 18522, 19480, 20454, 20580, 21915, 23863, 24696, 26298, 26460, 27272, 29220, 30681, 30870, 34090, 35064, 37044, 40908, 41160, 43830, 46305, 47726, 51135, 52596, 52920, 58440, 61362, 61740, 65745, 68180, 71589, 74088, 81816, 87660, 92043, 92610, 95452, 102270, 105192, 119315, 122724, 123480, 131490, 136360, 143178, 153405, 167041, 175320, 184086, 185220, 190904, 204540, 214767, 238630, 245448, 262980, 286356, 306810, 334082, 357945, 368172, 370440, 409080, 429534, 460215, 477260, 501123, 525960, 572712, 613620, 644301, 668164, 715890, 736344, 835205, 859068, 920430, 954520, 1002246, 1073835, 1227240, 1288602, 1336328, 1431780, 1503369, 1670410, 1718136, 1840860, 2004492, 2147670, 2505615, 2577204, 2863560, 3006738, 3221505, 3340820, 3681720, 4008984, 4295340, 4510107, 5011230, 5154408, 6013476, 6443010, 6681640, 7516845, 8590680, 9020214, 10022460, 12026952, 12886020, 15033690, 18040428, 20044920, 22550535, 25772040, 30067380, 36080856, 45101070, 60134760, 90202140, 180404280]

約数ペア:

[(1, 180404280), (2, 90202140), (3, 60134760), (4, 45101070), (5, 36080856), (6, 30067380), (7, 25772040), (8, 22550535), (9, 20044920), (10, 18040428), (12, 15033690), (14, 12886020), (15, 12026952), (18, 10022460), (20, 9020214), (21, 8590680), (24, 7516845), (27, 6681640), (28, 6443010), (30, 6013476), (35, 5154408), (36, 5011230), (40, 4510107), (42, 4295340), (45, 4008984), (49, 3681720), (54, 3340820), (56, 3221505), (60, 3006738), (63, 2863560), (70, 2577204), (72, 2505615), (84, 2147670), (90, 2004492), (98, 1840860), (105, 1718136), (108, 1670410), (120, 1503369), (126, 1431780), (135, 1336328), (140, 1288602), (147, 1227240), (168, 1073835), (180, 1002246), (189, 954520), (196, 920430), (210, 859068), (216, 835205), (245, 736344), (252, 715890), (270, 668164), (280, 644301), (294, 613620), (315, 572712), (343, 525960), (360, 501123), (378, 477260), (392, 460215), (420, 429534), (441, 409080), (487, 370440), (490, 368172), (504, 357945), (540, 334082), (588, 306810), (630, 286356), (686, 262980), (735, 245448), (756, 238630), (840, 214767), (882, 204540), (945, 190904), (974, 185220), (980, 184086), (1029, 175320), (1080, 167041), (1176, 153405), (1260, 143178), (1323, 136360), (1372, 131490), (1461, 123480), (1470, 122724), (1512, 119315), (1715, 105192), (1764, 102270), (1890, 95452), (1948, 92610), (1960, 92043), (2058, 87660), (2205, 81816), (2435, 74088), (2520, 71589), (2646, 68180), (2744, 65745), (2922, 61740), (2940, 61362), (3087, 58440), (3409, 52920), (3430, 52596), (3528, 51135), (3780, 47726), (3896, 46305), (4116, 43830), (4383, 41160), (4410, 40908), (4870, 37044), (5145, 35064), (5292, 34090), (5844, 30870), (5880, 30681), (6174, 29220), (6615, 27272), (6818, 26460), (6860, 26298), (7305, 24696), (7560, 23863), (8232, 21915), (8766, 20580), (8820, 20454), (9261, 19480), (9740, 18522), (10227, 17640), (10290, 17532), (10584, 17045), (11688, 15435), (12348, 14610), (13149, 13720), (13230, 13636)]