171721080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 256

約数和(自身を含む): 622080000

約数和(自身を除く): 450358920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 47, 51, 54, 60, 68, 72, 85, 90, 94, 102, 108, 120, 135, 136, 141, 153, 170, 180, 188, 199, 204, 216, 235, 255, 270, 282, 306, 340, 360, 376, 398, 408, 423, 459, 470, 510, 540, 564, 597, 612, 680, 705, 765, 796, 799, 846, 918, 940, 995, 1020, 1080, 1128, 1194, 1224, 1269, 1410, 1530, 1592, 1598, 1692, 1791, 1836, 1880, 1990, 2040, 2115, 2295, 2388, 2397, 2538, 2820, 2985, 3060, 3196, 3383, 3384, 3582, 3672, 3980, 3995, 4230, 4590, 4776, 4794, 5076, 5373, 5640, 5970, 6120, 6345, 6392, 6766, 7164, 7191, 7960, 7990, 8460, 8955, 9180, 9353, 9588, 10149, 10152, 10746, 11940, 11985, 12690, 13532, 14328, 14382, 15980, 16915, 16920, 17910, 18360, 18706, 19176, 20298, 21492, 21573, 23880, 23970, 25380, 26865, 27064, 28059, 28764, 30447, 31960, 33830, 35820, 35955, 37412, 40596, 42984, 43146, 46765, 47940, 50745, 50760, 53730, 56118, 57528, 60894, 67660, 71640, 71910, 74824, 81192, 84177, 86292, 91341, 93530, 95880, 101490, 107460, 107865, 112236, 121788, 135320, 140295, 143820, 152235, 159001, 168354, 172584, 182682, 187060, 202980, 214920, 215730, 224472, 243576, 252531, 280590, 287640, 304470, 318002, 336708, 365364, 374120, 405960, 420885, 431460, 456705, 477003, 505062, 561180, 608940, 636004, 673416, 730728, 795005, 841770, 862920, 913410, 954006, 1010124, 1122360, 1217880, 1262655, 1272008, 1431009, 1590010, 1683540, 1826820, 1908012, 2020248, 2385015, 2525310, 2862018, 3180020, 3367080, 3653640, 3816024, 4293027, 4770030, 5050620, 5724036, 6360040, 7155045, 8586054, 9540060, 10101240, 11448072, 14310090, 17172108, 19080120, 21465135, 28620180, 34344216, 42930270, 57240360, 85860540, 171721080]

約数ペア:

[(1, 171721080), (2, 85860540), (3, 57240360), (4, 42930270), (5, 34344216), (6, 28620180), (8, 21465135), (9, 19080120), (10, 17172108), (12, 14310090), (15, 11448072), (17, 10101240), (18, 9540060), (20, 8586054), (24, 7155045), (27, 6360040), (30, 5724036), (34, 5050620), (36, 4770030), (40, 4293027), (45, 3816024), (47, 3653640), (51, 3367080), (54, 3180020), (60, 2862018), (68, 2525310), (72, 2385015), (85, 2020248), (90, 1908012), (94, 1826820), (102, 1683540), (108, 1590010), (120, 1431009), (135, 1272008), (136, 1262655), (141, 1217880), (153, 1122360), (170, 1010124), (180, 954006), (188, 913410), (199, 862920), (204, 841770), (216, 795005), (235, 730728), (255, 673416), (270, 636004), (282, 608940), (306, 561180), (340, 505062), (360, 477003), (376, 456705), (398, 431460), (408, 420885), (423, 405960), (459, 374120), (470, 365364), (510, 336708), (540, 318002), (564, 304470), (597, 287640), (612, 280590), (680, 252531), (705, 243576), (765, 224472), (796, 215730), (799, 214920), (846, 202980), (918, 187060), (940, 182682), (995, 172584), (1020, 168354), (1080, 159001), (1128, 152235), (1194, 143820), (1224, 140295), (1269, 135320), (1410, 121788), (1530, 112236), (1592, 107865), (1598, 107460), (1692, 101490), (1791, 95880), (1836, 93530), (1880, 91341), (1990, 86292), (2040, 84177), (2115, 81192), (2295, 74824), (2388, 71910), (2397, 71640), (2538, 67660), (2820, 60894), (2985, 57528), (3060, 56118), (3196, 53730), (3383, 50760), (3384, 50745), (3582, 47940), (3672, 46765), (3980, 43146), (3995, 42984), (4230, 40596), (4590, 37412), (4776, 35955), (4794, 35820), (5076, 33830), (5373, 31960), (5640, 30447), (5970, 28764), (6120, 28059), (6345, 27064), (6392, 26865), (6766, 25380), (7164, 23970), (7191, 23880), (7960, 21573), (7990, 21492), (8460, 20298), (8955, 19176), (9180, 18706), (9353, 18360), (9588, 17910), (10149, 16920), (10152, 16915), (10746, 15980), (11940, 14382), (11985, 14328), (12690, 13532)]