128711520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^2$

素因数の和:254

約数の個数: 216

約数和(自身を含む): 506456496

約数和(自身を除く): 377744976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 113, 120, 126, 140, 144, 160, 168, 180, 210, 224, 226, 240, 252, 280, 288, 315, 336, 339, 360, 420, 452, 480, 504, 560, 565, 630, 672, 678, 720, 791, 840, 904, 1008, 1017, 1120, 1130, 1260, 1356, 1440, 1582, 1680, 1695, 1808, 2016, 2034, 2260, 2373, 2520, 2712, 3164, 3360, 3390, 3616, 3955, 4068, 4520, 4746, 5040, 5085, 5424, 6328, 6780, 7119, 7910, 8136, 9040, 9492, 10080, 10170, 10848, 11865, 12656, 12769, 13560, 14238, 15820, 16272, 18080, 18984, 20340, 23730, 25312, 25538, 27120, 28476, 31640, 32544, 35595, 37968, 38307, 40680, 47460, 51076, 54240, 56952, 63280, 63845, 71190, 75936, 76614, 81360, 89383, 94920, 102152, 113904, 114921, 126560, 127690, 142380, 153228, 162720, 178766, 189840, 191535, 204304, 227808, 229842, 255380, 268149, 284760, 306456, 357532, 379680, 383070, 408608, 446915, 459684, 510760, 536298, 569520, 574605, 612912, 715064, 766140, 804447, 893830, 919368, 1021520, 1072596, 1139040, 1149210, 1225824, 1340745, 1430128, 1532280, 1608894, 1787660, 1838736, 2043040, 2145192, 2298420, 2681490, 2860256, 3064560, 3217788, 3575320, 3677472, 4022235, 4290384, 4596840, 5362980, 6129120, 6435576, 7150640, 8044470, 8580768, 9193680, 10725960, 12871152, 14301280, 16088940, 18387360, 21451920, 25742304, 32177880, 42903840, 64355760, 128711520]

約数ペア:

[(1, 128711520), (2, 64355760), (3, 42903840), (4, 32177880), (5, 25742304), (6, 21451920), (7, 18387360), (8, 16088940), (9, 14301280), (10, 12871152), (12, 10725960), (14, 9193680), (15, 8580768), (16, 8044470), (18, 7150640), (20, 6435576), (21, 6129120), (24, 5362980), (28, 4596840), (30, 4290384), (32, 4022235), (35, 3677472), (36, 3575320), (40, 3217788), (42, 3064560), (45, 2860256), (48, 2681490), (56, 2298420), (60, 2145192), (63, 2043040), (70, 1838736), (72, 1787660), (80, 1608894), (84, 1532280), (90, 1430128), (96, 1340745), (105, 1225824), (112, 1149210), (113, 1139040), (120, 1072596), (126, 1021520), (140, 919368), (144, 893830), (160, 804447), (168, 766140), (180, 715064), (210, 612912), (224, 574605), (226, 569520), (240, 536298), (252, 510760), (280, 459684), (288, 446915), (315, 408608), (336, 383070), (339, 379680), (360, 357532), (420, 306456), (452, 284760), (480, 268149), (504, 255380), (560, 229842), (565, 227808), (630, 204304), (672, 191535), (678, 189840), (720, 178766), (791, 162720), (840, 153228), (904, 142380), (1008, 127690), (1017, 126560), (1120, 114921), (1130, 113904), (1260, 102152), (1356, 94920), (1440, 89383), (1582, 81360), (1680, 76614), (1695, 75936), (1808, 71190), (2016, 63845), (2034, 63280), (2260, 56952), (2373, 54240), (2520, 51076), (2712, 47460), (3164, 40680), (3360, 38307), (3390, 37968), (3616, 35595), (3955, 32544), (4068, 31640), (4520, 28476), (4746, 27120), (5040, 25538), (5085, 25312), (5424, 23730), (6328, 20340), (6780, 18984), (7119, 18080), (7910, 16272), (8136, 15820), (9040, 14238), (9492, 13560), (10080, 12769), (10170, 12656), (10848, 11865)]