7287280

素因数分解:

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

素因数の和:64

約数の個数: 180

約数和(自身を含む): 23281992

約数和(自身を除く): 15994712

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 130, 140, 143, 154, 169, 176, 182, 196, 208, 220, 245, 260, 280, 286, 308, 338, 364, 385, 392, 440, 455, 490, 520, 539, 560, 572, 616, 637, 676, 715, 728, 770, 784, 845, 880, 910, 980, 1001, 1040, 1078, 1144, 1183, 1232, 1274, 1352, 1430, 1456, 1540, 1690, 1820, 1859, 1960, 2002, 2156, 2288, 2366, 2548, 2695, 2704, 2860, 3080, 3185, 3380, 3640, 3718, 3920, 4004, 4312, 4732, 5005, 5096, 5390, 5720, 5915, 6160, 6370, 6760, 7007, 7280, 7436, 8008, 8281, 8624, 9295, 9464, 10010, 10192, 10780, 11440, 11830, 12740, 13013, 13520, 14014, 14872, 16016, 16562, 18590, 18928, 20020, 21560, 23660, 25480, 26026, 28028, 29744, 33124, 35035, 37180, 40040, 41405, 43120, 47320, 50960, 52052, 56056, 65065, 66248, 70070, 74360, 80080, 82810, 91091, 94640, 104104, 112112, 130130, 132496, 140140, 148720, 165620, 182182, 208208, 260260, 280280, 331240, 364364, 455455, 520520, 560560, 662480, 728728, 910910, 1041040, 1457456, 1821820, 3643640, 7287280]

約数ペア:

[(1, 7287280), (2, 3643640), (4, 1821820), (5, 1457456), (7, 1041040), (8, 910910), (10, 728728), (11, 662480), (13, 560560), (14, 520520), (16, 455455), (20, 364364), (22, 331240), (26, 280280), (28, 260260), (35, 208208), (40, 182182), (44, 165620), (49, 148720), (52, 140140), (55, 132496), (56, 130130), (65, 112112), (70, 104104), (77, 94640), (80, 91091), (88, 82810), (91, 80080), (98, 74360), (104, 70070), (110, 66248), (112, 65065), (130, 56056), (140, 52052), (143, 50960), (154, 47320), (169, 43120), (176, 41405), (182, 40040), (196, 37180), (208, 35035), (220, 33124), (245, 29744), (260, 28028), (280, 26026), (286, 25480), (308, 23660), (338, 21560), (364, 20020), (385, 18928), (392, 18590), (440, 16562), (455, 16016), (490, 14872), (520, 14014), (539, 13520), (560, 13013), (572, 12740), (616, 11830), (637, 11440), (676, 10780), (715, 10192), (728, 10010), (770, 9464), (784, 9295), (845, 8624), (880, 8281), (910, 8008), (980, 7436), (1001, 7280), (1040, 7007), (1078, 6760), (1144, 6370), (1183, 6160), (1232, 5915), (1274, 5720), (1352, 5390), (1430, 5096), (1456, 5005), (1540, 4732), (1690, 4312), (1820, 4004), (1859, 3920), (1960, 3718), (2002, 3640), (2156, 3380), (2288, 3185), (2366, 3080), (2548, 2860), (2695, 2704)]