260981760

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1348

約数の個数: 176

約数和(自身を含む): 899631936

約数和(自身を除く): 638650176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1024, 1040, 1248, 1280, 1307, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 2614, 3072, 3120, 3328, 3840, 3921, 4160, 4992, 5120, 5228, 6240, 6535, 6656, 7680, 7842, 8320, 9984, 10456, 12480, 13070, 13312, 15360, 15684, 16640, 16991, 19605, 19968, 20912, 24960, 26140, 31368, 33280, 33982, 39210, 39936, 41824, 49920, 50973, 52280, 62736, 66560, 67964, 78420, 83648, 84955, 99840, 101946, 104560, 125472, 135928, 156840, 167296, 169910, 199680, 203892, 209120, 250944, 254865, 271856, 313680, 334592, 339820, 407784, 418240, 501888, 509730, 543712, 627360, 669184, 679640, 815568, 836480, 1003776, 1019460, 1087424, 1254720, 1338368, 1359280, 1631136, 1672960, 2007552, 2038920, 2174848, 2509440, 2718560, 3262272, 3345920, 4015104, 4077840, 4349696, 5018880, 5437120, 6524544, 6691840, 8155680, 8699392, 10037760, 10874240, 13049088, 16311360, 17398784, 20075520, 21748480, 26098176, 32622720, 43496960, 52196352, 65245440, 86993920, 130490880, 260981760]

約数ペア:

[(1, 260981760), (2, 130490880), (3, 86993920), (4, 65245440), (5, 52196352), (6, 43496960), (8, 32622720), (10, 26098176), (12, 21748480), (13, 20075520), (15, 17398784), (16, 16311360), (20, 13049088), (24, 10874240), (26, 10037760), (30, 8699392), (32, 8155680), (39, 6691840), (40, 6524544), (48, 5437120), (52, 5018880), (60, 4349696), (64, 4077840), (65, 4015104), (78, 3345920), (80, 3262272), (96, 2718560), (104, 2509440), (120, 2174848), (128, 2038920), (130, 2007552), (156, 1672960), (160, 1631136), (192, 1359280), (195, 1338368), (208, 1254720), (240, 1087424), (256, 1019460), (260, 1003776), (312, 836480), (320, 815568), (384, 679640), (390, 669184), (416, 627360), (480, 543712), (512, 509730), (520, 501888), (624, 418240), (640, 407784), (768, 339820), (780, 334592), (832, 313680), (960, 271856), (1024, 254865), (1040, 250944), (1248, 209120), (1280, 203892), (1307, 199680), (1536, 169910), (1560, 167296), (1664, 156840), (1920, 135928), (2080, 125472), (2496, 104560), (2560, 101946), (2614, 99840), (3072, 84955), (3120, 83648), (3328, 78420), (3840, 67964), (3921, 66560), (4160, 62736), (4992, 52280), (5120, 50973), (5228, 49920), (6240, 41824), (6535, 39936), (6656, 39210), (7680, 33982), (7842, 33280), (8320, 31368), (9984, 26140), (10456, 24960), (12480, 20912), (13070, 19968), (13312, 19605), (15360, 16991), (15684, 16640)]