261621760

素因数分解:

$2^{11}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 650122200

約数和(自身を除く): 388500440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 881, 928, 1024, 1160, 1280, 1762, 1856, 2048, 2320, 2560, 3524, 3712, 4405, 4640, 5120, 7048, 7424, 8810, 9280, 10240, 14096, 14848, 17620, 18560, 25549, 28192, 29696, 35240, 37120, 51098, 56384, 59392, 70480, 74240, 102196, 112768, 127745, 140960, 148480, 204392, 225536, 255490, 281920, 296960, 408784, 451072, 510980, 563840, 817568, 902144, 1021960, 1127680, 1635136, 1804288, 2043920, 2255360, 3270272, 4087840, 4510720, 6540544, 8175680, 9021440, 13081088, 16351360, 26162176, 32702720, 52324352, 65405440, 130810880, 261621760]

約数ペア:

[(1, 261621760), (2, 130810880), (4, 65405440), (5, 52324352), (8, 32702720), (10, 26162176), (16, 16351360), (20, 13081088), (29, 9021440), (32, 8175680), (40, 6540544), (58, 4510720), (64, 4087840), (80, 3270272), (116, 2255360), (128, 2043920), (145, 1804288), (160, 1635136), (232, 1127680), (256, 1021960), (290, 902144), (320, 817568), (464, 563840), (512, 510980), (580, 451072), (640, 408784), (881, 296960), (928, 281920), (1024, 255490), (1160, 225536), (1280, 204392), (1762, 148480), (1856, 140960), (2048, 127745), (2320, 112768), (2560, 102196), (3524, 74240), (3712, 70480), (4405, 59392), (4640, 56384), (5120, 51098), (7048, 37120), (7424, 35240), (8810, 29696), (9280, 28192), (10240, 25549), (14096, 18560), (14848, 17620)]