531191520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2411}}^1$

素因数の和:2455

約数の個数: 240

約数和(自身を含む): 1985761008

約数和(自身を除く): 1454569488

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, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 162, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 324, 340, 360, 405, 408, 432, 459, 480, 510, 540, 544, 612, 648, 680, 720, 765, 810, 816, 864, 918, 1020, 1080, 1224, 1296, 1360, 1377, 1440, 1530, 1620, 1632, 1836, 2040, 2160, 2295, 2411, 2448, 2592, 2720, 2754, 3060, 3240, 3672, 4080, 4320, 4590, 4822, 4896, 5508, 6120, 6480, 6885, 7233, 7344, 8160, 9180, 9644, 11016, 12055, 12240, 12960, 13770, 14466, 14688, 18360, 19288, 21699, 22032, 24110, 24480, 27540, 28932, 36165, 36720, 38576, 40987, 43398, 44064, 48220, 55080, 57864, 65097, 72330, 73440, 77152, 81974, 86796, 96440, 108495, 110160, 115728, 122961, 130194, 144660, 163948, 173592, 192880, 195291, 204935, 216990, 220320, 231456, 245922, 260388, 289320, 325485, 327896, 347184, 368883, 385760, 390582, 409870, 433980, 491844, 520776, 578640, 614805, 650970, 655792, 694368, 737766, 781164, 819740, 867960, 976455, 983688, 1041552, 1106649, 1157280, 1229610, 1301940, 1311584, 1475532, 1562328, 1639480, 1735920, 1844415, 1952910, 1967376, 2083104, 2213298, 2459220, 2603880, 2951064, 3124656, 3278960, 3319947, 3471840, 3688830, 3905820, 3934752, 4426596, 4918440, 5207760, 5533245, 5902128, 6249312, 6557920, 6639894, 7377660, 7811640, 8853192, 9836880, 10415520, 11066490, 11804256, 13279788, 14755320, 15623280, 16599735, 17706384, 19673760, 22132980, 26559576, 29510640, 31246560, 33199470, 35412768, 44265960, 53119152, 59021280, 66398940, 88531920, 106238304, 132797880, 177063840, 265595760, 531191520]

約数ペア:

[(1, 531191520), (2, 265595760), (3, 177063840), (4, 132797880), (5, 106238304), (6, 88531920), (8, 66398940), (9, 59021280), (10, 53119152), (12, 44265960), (15, 35412768), (16, 33199470), (17, 31246560), (18, 29510640), (20, 26559576), (24, 22132980), (27, 19673760), (30, 17706384), (32, 16599735), (34, 15623280), (36, 14755320), (40, 13279788), (45, 11804256), (48, 11066490), (51, 10415520), (54, 9836880), (60, 8853192), (68, 7811640), (72, 7377660), (80, 6639894), (81, 6557920), (85, 6249312), (90, 5902128), (96, 5533245), (102, 5207760), (108, 4918440), (120, 4426596), (135, 3934752), (136, 3905820), (144, 3688830), (153, 3471840), (160, 3319947), (162, 3278960), (170, 3124656), (180, 2951064), (204, 2603880), (216, 2459220), (240, 2213298), (255, 2083104), (270, 1967376), (272, 1952910), (288, 1844415), (306, 1735920), (324, 1639480), (340, 1562328), (360, 1475532), (405, 1311584), (408, 1301940), (432, 1229610), (459, 1157280), (480, 1106649), (510, 1041552), (540, 983688), (544, 976455), (612, 867960), (648, 819740), (680, 781164), (720, 737766), (765, 694368), (810, 655792), (816, 650970), (864, 614805), (918, 578640), (1020, 520776), (1080, 491844), (1224, 433980), (1296, 409870), (1360, 390582), (1377, 385760), (1440, 368883), (1530, 347184), (1620, 327896), (1632, 325485), (1836, 289320), (2040, 260388), (2160, 245922), (2295, 231456), (2411, 220320), (2448, 216990), (2592, 204935), (2720, 195291), (2754, 192880), (3060, 173592), (3240, 163948), (3672, 144660), (4080, 130194), (4320, 122961), (4590, 115728), (4822, 110160), (4896, 108495), (5508, 96440), (6120, 86796), (6480, 81974), (6885, 77152), (7233, 73440), (7344, 72330), (8160, 65097), (9180, 57864), (9644, 55080), (11016, 48220), (12055, 44064), (12240, 43398), (12960, 40987), (13770, 38576), (14466, 36720), (14688, 36165), (18360, 28932), (19288, 27540), (21699, 24480), (22032, 24110)]