19080120

素因数分解:

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

素因数の和:277

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 43127880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 47, 51, 60, 68, 85, 94, 102, 120, 136, 141, 170, 188, 199, 204, 235, 255, 282, 340, 376, 398, 408, 470, 510, 564, 597, 680, 705, 796, 799, 940, 995, 1020, 1128, 1194, 1410, 1592, 1598, 1880, 1990, 2040, 2388, 2397, 2820, 2985, 3196, 3383, 3980, 3995, 4776, 4794, 5640, 5970, 6392, 6766, 7960, 7990, 9353, 9588, 10149, 11940, 11985, 13532, 15980, 16915, 18706, 19176, 20298, 23880, 23970, 27064, 28059, 31960, 33830, 37412, 40596, 46765, 47940, 50745, 56118, 67660, 74824, 81192, 93530, 95880, 101490, 112236, 135320, 140295, 159001, 187060, 202980, 224472, 280590, 318002, 374120, 405960, 477003, 561180, 636004, 795005, 954006, 1122360, 1272008, 1590010, 1908012, 2385015, 3180020, 3816024, 4770030, 6360040, 9540060, 19080120]

約数ペア:

[(1, 19080120), (2, 9540060), (3, 6360040), (4, 4770030), (5, 3816024), (6, 3180020), (8, 2385015), (10, 1908012), (12, 1590010), (15, 1272008), (17, 1122360), (20, 954006), (24, 795005), (30, 636004), (34, 561180), (40, 477003), (47, 405960), (51, 374120), (60, 318002), (68, 280590), (85, 224472), (94, 202980), (102, 187060), (120, 159001), (136, 140295), (141, 135320), (170, 112236), (188, 101490), (199, 95880), (204, 93530), (235, 81192), (255, 74824), (282, 67660), (340, 56118), (376, 50745), (398, 47940), (408, 46765), (470, 40596), (510, 37412), (564, 33830), (597, 31960), (680, 28059), (705, 27064), (796, 23970), (799, 23880), (940, 20298), (995, 19176), (1020, 18706), (1128, 16915), (1194, 15980), (1410, 13532), (1592, 11985), (1598, 11940), (1880, 10149), (1990, 9588), (2040, 9353), (2388, 7990), (2397, 7960), (2820, 6766), (2985, 6392), (3196, 5970), (3383, 5640), (3980, 4794), (3995, 4776)]