81389280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{24223}}^1$

素因数の和:24248

約数の個数: 96

約数和(自身を含む): 293013504

約数和(自身を除く): 211624224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 24223, 48446, 72669, 96892, 121115, 145338, 169561, 193784, 242230, 290676, 339122, 363345, 387568, 484460, 508683, 581352, 678244, 726690, 775136, 847805, 968920, 1017366, 1162704, 1356488, 1453380, 1695610, 1937840, 2034732, 2325408, 2543415, 2712976, 2906760, 3391220, 3875680, 4069464, 5086830, 5425952, 5813520, 6782440, 8138928, 10173660, 11627040, 13564880, 16277856, 20347320, 27129760, 40694640, 81389280]

約数ペア:

[(1, 81389280), (2, 40694640), (3, 27129760), (4, 20347320), (5, 16277856), (6, 13564880), (7, 11627040), (8, 10173660), (10, 8138928), (12, 6782440), (14, 5813520), (15, 5425952), (16, 5086830), (20, 4069464), (21, 3875680), (24, 3391220), (28, 2906760), (30, 2712976), (32, 2543415), (35, 2325408), (40, 2034732), (42, 1937840), (48, 1695610), (56, 1453380), (60, 1356488), (70, 1162704), (80, 1017366), (84, 968920), (96, 847805), (105, 775136), (112, 726690), (120, 678244), (140, 581352), (160, 508683), (168, 484460), (210, 387568), (224, 363345), (240, 339122), (280, 290676), (336, 242230), (420, 193784), (480, 169561), (560, 145338), (672, 121115), (840, 96892), (1120, 72669), (1680, 48446), (3360, 24223)]