261002880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:539

約数の個数: 192

約数和(自身を含む): 911518920

約数和(自身を除く): 650516040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 113, 120, 128, 144, 160, 180, 192, 226, 240, 288, 320, 339, 360, 384, 401, 452, 480, 565, 576, 640, 678, 720, 802, 904, 960, 1017, 1130, 1152, 1203, 1356, 1440, 1604, 1695, 1808, 1920, 2005, 2034, 2260, 2406, 2712, 2880, 3208, 3390, 3609, 3616, 4010, 4068, 4520, 4812, 5085, 5424, 5760, 6015, 6416, 6780, 7218, 7232, 8020, 8136, 9040, 9624, 10170, 10848, 12030, 12832, 13560, 14436, 14464, 16040, 16272, 18045, 18080, 19248, 20340, 21696, 24060, 25664, 27120, 28872, 32080, 32544, 36090, 36160, 38496, 40680, 43392, 45313, 48120, 51328, 54240, 57744, 64160, 65088, 72180, 72320, 76992, 81360, 90626, 96240, 108480, 115488, 128320, 130176, 135939, 144360, 153984, 162720, 181252, 192480, 216960, 226565, 230976, 256640, 271878, 288720, 325440, 362504, 384960, 407817, 453130, 461952, 543756, 577440, 650880, 679695, 725008, 769920, 815634, 906260, 1087512, 1154880, 1359390, 1450016, 1631268, 1812520, 2039085, 2175024, 2309760, 2718780, 2900032, 3262536, 3625040, 4078170, 4350048, 5437560, 5800064, 6525072, 7250080, 8156340, 8700096, 10875120, 13050144, 14500160, 16312680, 17400192, 21750240, 26100288, 29000320, 32625360, 43500480, 52200576, 65250720, 87000960, 130501440, 261002880]

約数ペア:

[(1, 261002880), (2, 130501440), (3, 87000960), (4, 65250720), (5, 52200576), (6, 43500480), (8, 32625360), (9, 29000320), (10, 26100288), (12, 21750240), (15, 17400192), (16, 16312680), (18, 14500160), (20, 13050144), (24, 10875120), (30, 8700096), (32, 8156340), (36, 7250080), (40, 6525072), (45, 5800064), (48, 5437560), (60, 4350048), (64, 4078170), (72, 3625040), (80, 3262536), (90, 2900032), (96, 2718780), (113, 2309760), (120, 2175024), (128, 2039085), (144, 1812520), (160, 1631268), (180, 1450016), (192, 1359390), (226, 1154880), (240, 1087512), (288, 906260), (320, 815634), (339, 769920), (360, 725008), (384, 679695), (401, 650880), (452, 577440), (480, 543756), (565, 461952), (576, 453130), (640, 407817), (678, 384960), (720, 362504), (802, 325440), (904, 288720), (960, 271878), (1017, 256640), (1130, 230976), (1152, 226565), (1203, 216960), (1356, 192480), (1440, 181252), (1604, 162720), (1695, 153984), (1808, 144360), (1920, 135939), (2005, 130176), (2034, 128320), (2260, 115488), (2406, 108480), (2712, 96240), (2880, 90626), (3208, 81360), (3390, 76992), (3609, 72320), (3616, 72180), (4010, 65088), (4068, 64160), (4520, 57744), (4812, 54240), (5085, 51328), (5424, 48120), (5760, 45313), (6015, 43392), (6416, 40680), (6780, 38496), (7218, 36160), (7232, 36090), (8020, 32544), (8136, 32080), (9040, 28872), (9624, 27120), (10170, 25664), (10848, 24060), (12030, 21696), (12832, 20340), (13560, 19248), (14436, 18080), (14464, 18045), (16040, 16272)]