213172960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1$

素因数の和:79

約数の個数: 240

約数和(自身を含む): 681821280

約数和(自身を除く): 468648320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 121, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 242, 260, 280, 286, 308, 352, 364, 385, 416, 440, 455, 484, 520, 560, 572, 605, 616, 715, 728, 770, 847, 880, 910, 968, 1001, 1040, 1120, 1144, 1210, 1232, 1331, 1430, 1456, 1540, 1573, 1694, 1760, 1820, 1936, 2002, 2080, 2288, 2420, 2464, 2662, 2860, 2912, 3080, 3146, 3388, 3640, 3872, 4004, 4235, 4576, 4840, 5005, 5324, 5720, 6160, 6292, 6655, 6776, 7280, 7865, 8008, 8470, 9317, 9680, 10010, 10648, 11011, 11440, 12320, 12584, 13310, 13552, 14560, 14641, 15730, 16016, 16940, 17303, 18634, 19360, 20020, 21296, 22022, 22880, 25168, 26620, 27104, 29282, 31460, 32032, 33880, 34606, 37268, 40040, 42592, 44044, 46585, 50336, 53240, 55055, 58564, 62920, 67760, 69212, 73205, 74536, 80080, 86515, 88088, 93170, 102487, 106480, 110110, 117128, 121121, 125840, 135520, 138424, 146410, 149072, 160160, 173030, 176176, 186340, 190333, 204974, 212960, 220220, 234256, 242242, 251680, 276848, 292820, 298144, 346060, 352352, 372680, 380666, 409948, 440440, 468512, 484484, 512435, 553696, 585640, 605605, 692120, 745360, 761332, 819896, 880880, 951665, 968968, 1024870, 1171280, 1211210, 1332331, 1384240, 1490720, 1522664, 1639792, 1761760, 1903330, 1937936, 2049740, 2342560, 2422420, 2664662, 2768480, 3045328, 3279584, 3806660, 3875872, 4099480, 4844840, 5329324, 6090656, 6661655, 7613320, 8198960, 9689680, 10658648, 13323310, 15226640, 16397920, 19379360, 21317296, 26646620, 30453280, 42634592, 53293240, 106586480, 213172960]

約数ペア:

[(1, 213172960), (2, 106586480), (4, 53293240), (5, 42634592), (7, 30453280), (8, 26646620), (10, 21317296), (11, 19379360), (13, 16397920), (14, 15226640), (16, 13323310), (20, 10658648), (22, 9689680), (26, 8198960), (28, 7613320), (32, 6661655), (35, 6090656), (40, 5329324), (44, 4844840), (52, 4099480), (55, 3875872), (56, 3806660), (65, 3279584), (70, 3045328), (77, 2768480), (80, 2664662), (88, 2422420), (91, 2342560), (104, 2049740), (110, 1937936), (112, 1903330), (121, 1761760), (130, 1639792), (140, 1522664), (143, 1490720), (154, 1384240), (160, 1332331), (176, 1211210), (182, 1171280), (208, 1024870), (220, 968968), (224, 951665), (242, 880880), (260, 819896), (280, 761332), (286, 745360), (308, 692120), (352, 605605), (364, 585640), (385, 553696), (416, 512435), (440, 484484), (455, 468512), (484, 440440), (520, 409948), (560, 380666), (572, 372680), (605, 352352), (616, 346060), (715, 298144), (728, 292820), (770, 276848), (847, 251680), (880, 242242), (910, 234256), (968, 220220), (1001, 212960), (1040, 204974), (1120, 190333), (1144, 186340), (1210, 176176), (1232, 173030), (1331, 160160), (1430, 149072), (1456, 146410), (1540, 138424), (1573, 135520), (1694, 125840), (1760, 121121), (1820, 117128), (1936, 110110), (2002, 106480), (2080, 102487), (2288, 93170), (2420, 88088), (2464, 86515), (2662, 80080), (2860, 74536), (2912, 73205), (3080, 69212), (3146, 67760), (3388, 62920), (3640, 58564), (3872, 55055), (4004, 53240), (4235, 50336), (4576, 46585), (4840, 44044), (5005, 42592), (5324, 40040), (5720, 37268), (6160, 34606), (6292, 33880), (6655, 32032), (6776, 31460), (7280, 29282), (7865, 27104), (8008, 26620), (8470, 25168), (9317, 22880), (9680, 22022), (10010, 21296), (10648, 20020), (11011, 19360), (11440, 18634), (12320, 17303), (12584, 16940), (13310, 16016), (13552, 15730), (14560, 14641)]