40287960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 192

約数和(自身を含む): 144050400

約数和(自身を除く): 103762440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 51, 58, 60, 68, 72, 85, 87, 90, 102, 116, 120, 136, 145, 153, 170, 174, 180, 204, 227, 232, 255, 261, 290, 306, 340, 348, 360, 408, 435, 454, 493, 510, 522, 580, 612, 680, 681, 696, 765, 870, 908, 986, 1020, 1044, 1135, 1160, 1224, 1305, 1362, 1479, 1530, 1740, 1816, 1972, 2040, 2043, 2088, 2270, 2465, 2610, 2724, 2958, 3060, 3405, 3480, 3859, 3944, 4086, 4437, 4540, 4930, 5220, 5448, 5916, 6120, 6583, 6810, 7395, 7718, 8172, 8874, 9080, 9860, 10215, 10440, 11577, 11832, 13166, 13620, 14790, 15436, 16344, 17748, 19295, 19720, 19749, 20430, 22185, 23154, 26332, 27240, 29580, 30872, 32915, 34731, 35496, 38590, 39498, 40860, 44370, 46308, 52664, 57885, 59160, 59247, 65830, 69462, 77180, 78996, 81720, 88740, 92616, 98745, 111911, 115770, 118494, 131660, 138924, 154360, 157992, 173655, 177480, 197490, 223822, 231540, 236988, 263320, 277848, 296235, 335733, 347310, 394980, 447644, 463080, 473976, 559555, 592470, 671466, 694620, 789960, 895288, 1007199, 1119110, 1184940, 1342932, 1389240, 1678665, 2014398, 2238220, 2369880, 2685864, 3357330, 4028796, 4476440, 5035995, 6714660, 8057592, 10071990, 13429320, 20143980, 40287960]

約数ペア:

[(1, 40287960), (2, 20143980), (3, 13429320), (4, 10071990), (5, 8057592), (6, 6714660), (8, 5035995), (9, 4476440), (10, 4028796), (12, 3357330), (15, 2685864), (17, 2369880), (18, 2238220), (20, 2014398), (24, 1678665), (29, 1389240), (30, 1342932), (34, 1184940), (36, 1119110), (40, 1007199), (45, 895288), (51, 789960), (58, 694620), (60, 671466), (68, 592470), (72, 559555), (85, 473976), (87, 463080), (90, 447644), (102, 394980), (116, 347310), (120, 335733), (136, 296235), (145, 277848), (153, 263320), (170, 236988), (174, 231540), (180, 223822), (204, 197490), (227, 177480), (232, 173655), (255, 157992), (261, 154360), (290, 138924), (306, 131660), (340, 118494), (348, 115770), (360, 111911), (408, 98745), (435, 92616), (454, 88740), (493, 81720), (510, 78996), (522, 77180), (580, 69462), (612, 65830), (680, 59247), (681, 59160), (696, 57885), (765, 52664), (870, 46308), (908, 44370), (986, 40860), (1020, 39498), (1044, 38590), (1135, 35496), (1160, 34731), (1224, 32915), (1305, 30872), (1362, 29580), (1479, 27240), (1530, 26332), (1740, 23154), (1816, 22185), (1972, 20430), (2040, 19749), (2043, 19720), (2088, 19295), (2270, 17748), (2465, 16344), (2610, 15436), (2724, 14790), (2958, 13620), (3060, 13166), (3405, 11832), (3480, 11577), (3859, 10440), (3944, 10215), (4086, 9860), (4437, 9080), (4540, 8874), (4930, 8172), (5220, 7718), (5448, 7395), (5916, 6810), (6120, 6583)]