19241280

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 224

約数和(自身を含む): 72420480

約数和(自身を除く): 53179200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 131, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 262, 270, 272, 288, 306, 320, 340, 360, 393, 408, 432, 459, 480, 510, 524, 540, 544, 576, 612, 655, 680, 720, 765, 786, 816, 864, 918, 960, 1020, 1048, 1080, 1088, 1179, 1224, 1310, 1360, 1440, 1530, 1572, 1632, 1728, 1836, 1965, 2040, 2096, 2160, 2227, 2295, 2358, 2448, 2620, 2720, 2880, 3060, 3144, 3264, 3537, 3672, 3930, 4080, 4192, 4320, 4454, 4590, 4716, 4896, 5240, 5440, 5895, 6120, 6288, 6681, 7074, 7344, 7860, 8160, 8384, 8640, 8908, 9180, 9432, 9792, 10480, 11135, 11790, 12240, 12576, 13362, 14148, 14688, 15720, 16320, 17685, 17816, 18360, 18864, 20043, 20960, 22270, 23580, 24480, 25152, 26724, 28296, 29376, 31440, 33405, 35370, 35632, 36720, 37728, 40086, 41920, 44540, 47160, 48960, 53448, 56592, 60129, 62880, 66810, 70740, 71264, 73440, 75456, 80172, 89080, 94320, 100215, 106896, 113184, 120258, 125760, 133620, 141480, 142528, 146880, 160344, 178160, 188640, 200430, 213792, 226368, 240516, 267240, 282960, 300645, 320688, 356320, 377280, 400860, 427584, 481032, 534480, 565920, 601290, 641376, 712640, 801720, 962064, 1068960, 1131840, 1202580, 1282752, 1603440, 1924128, 2137920, 2405160, 3206880, 3848256, 4810320, 6413760, 9620640, 19241280]

約数ペア:

[(1, 19241280), (2, 9620640), (3, 6413760), (4, 4810320), (5, 3848256), (6, 3206880), (8, 2405160), (9, 2137920), (10, 1924128), (12, 1603440), (15, 1282752), (16, 1202580), (17, 1131840), (18, 1068960), (20, 962064), (24, 801720), (27, 712640), (30, 641376), (32, 601290), (34, 565920), (36, 534480), (40, 481032), (45, 427584), (48, 400860), (51, 377280), (54, 356320), (60, 320688), (64, 300645), (68, 282960), (72, 267240), (80, 240516), (85, 226368), (90, 213792), (96, 200430), (102, 188640), (108, 178160), (120, 160344), (131, 146880), (135, 142528), (136, 141480), (144, 133620), (153, 125760), (160, 120258), (170, 113184), (180, 106896), (192, 100215), (204, 94320), (216, 89080), (240, 80172), (255, 75456), (262, 73440), (270, 71264), (272, 70740), (288, 66810), (306, 62880), (320, 60129), (340, 56592), (360, 53448), (393, 48960), (408, 47160), (432, 44540), (459, 41920), (480, 40086), (510, 37728), (524, 36720), (540, 35632), (544, 35370), (576, 33405), (612, 31440), (655, 29376), (680, 28296), (720, 26724), (765, 25152), (786, 24480), (816, 23580), (864, 22270), (918, 20960), (960, 20043), (1020, 18864), (1048, 18360), (1080, 17816), (1088, 17685), (1179, 16320), (1224, 15720), (1310, 14688), (1360, 14148), (1440, 13362), (1530, 12576), (1572, 12240), (1632, 11790), (1728, 11135), (1836, 10480), (1965, 9792), (2040, 9432), (2096, 9180), (2160, 8908), (2227, 8640), (2295, 8384), (2358, 8160), (2448, 7860), (2620, 7344), (2720, 7074), (2880, 6681), (3060, 6288), (3144, 6120), (3264, 5895), (3537, 5440), (3672, 5240), (3930, 4896), (4080, 4716), (4192, 4590), (4320, 4454)]