131781960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:448

約数の個数: 192

約数和(自身を含む): 462224880

約数和(自身を除く): 330442920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 61, 68, 72, 85, 90, 102, 120, 122, 136, 153, 170, 180, 183, 204, 244, 255, 305, 306, 340, 353, 360, 366, 408, 488, 510, 549, 610, 612, 680, 706, 732, 765, 915, 1020, 1037, 1059, 1098, 1220, 1224, 1412, 1464, 1530, 1765, 1830, 2040, 2074, 2118, 2196, 2440, 2745, 2824, 3060, 3111, 3177, 3530, 3660, 4148, 4236, 4392, 5185, 5295, 5490, 6001, 6120, 6222, 6354, 7060, 7320, 8296, 8472, 9333, 10370, 10590, 10980, 12002, 12444, 12708, 14120, 15555, 15885, 18003, 18666, 20740, 21180, 21533, 21960, 24004, 24888, 25416, 30005, 31110, 31770, 36006, 37332, 41480, 42360, 43066, 46665, 48008, 54009, 60010, 62220, 63540, 64599, 72012, 74664, 86132, 90015, 93330, 107665, 108018, 120020, 124440, 127080, 129198, 144024, 172264, 180030, 186660, 193797, 215330, 216036, 240040, 258396, 270045, 322995, 360060, 366061, 373320, 387594, 430660, 432072, 516792, 540090, 645990, 720120, 732122, 775188, 861320, 968985, 1080180, 1098183, 1291980, 1464244, 1550376, 1830305, 1937970, 2160360, 2196366, 2583960, 2928488, 3294549, 3660610, 3875940, 4392732, 5490915, 6589098, 7321220, 7751880, 8785464, 10981830, 13178196, 14642440, 16472745, 21963660, 26356392, 32945490, 43927320, 65890980, 131781960]

約数ペア:

[(1, 131781960), (2, 65890980), (3, 43927320), (4, 32945490), (5, 26356392), (6, 21963660), (8, 16472745), (9, 14642440), (10, 13178196), (12, 10981830), (15, 8785464), (17, 7751880), (18, 7321220), (20, 6589098), (24, 5490915), (30, 4392732), (34, 3875940), (36, 3660610), (40, 3294549), (45, 2928488), (51, 2583960), (60, 2196366), (61, 2160360), (68, 1937970), (72, 1830305), (85, 1550376), (90, 1464244), (102, 1291980), (120, 1098183), (122, 1080180), (136, 968985), (153, 861320), (170, 775188), (180, 732122), (183, 720120), (204, 645990), (244, 540090), (255, 516792), (305, 432072), (306, 430660), (340, 387594), (353, 373320), (360, 366061), (366, 360060), (408, 322995), (488, 270045), (510, 258396), (549, 240040), (610, 216036), (612, 215330), (680, 193797), (706, 186660), (732, 180030), (765, 172264), (915, 144024), (1020, 129198), (1037, 127080), (1059, 124440), (1098, 120020), (1220, 108018), (1224, 107665), (1412, 93330), (1464, 90015), (1530, 86132), (1765, 74664), (1830, 72012), (2040, 64599), (2074, 63540), (2118, 62220), (2196, 60010), (2440, 54009), (2745, 48008), (2824, 46665), (3060, 43066), (3111, 42360), (3177, 41480), (3530, 37332), (3660, 36006), (4148, 31770), (4236, 31110), (4392, 30005), (5185, 25416), (5295, 24888), (5490, 24004), (6001, 21960), (6120, 21533), (6222, 21180), (6354, 20740), (7060, 18666), (7320, 18003), (8296, 15885), (8472, 15555), (9333, 14120), (10370, 12708), (10590, 12444), (10980, 12002)]