81648960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5003}}^1$

素因数の和:5040

約数の個数: 112

約数和(自身を含む): 274539456

約数和(自身を除く): 192890496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5003, 5440, 8160, 10006, 15009, 16320, 20012, 25015, 30018, 40024, 50030, 60036, 75045, 80048, 85051, 100060, 120072, 150090, 160096, 170102, 200120, 240144, 255153, 300180, 320192, 340204, 400240, 425255, 480288, 510306, 600360, 680408, 800480, 850510, 960576, 1020612, 1200720, 1275765, 1360816, 1600960, 1701020, 2041224, 2401440, 2551530, 2721632, 3402040, 4082448, 4802880, 5103060, 5443264, 6804080, 8164896, 10206120, 13608160, 16329792, 20412240, 27216320, 40824480, 81648960]

約数ペア:

[(1, 81648960), (2, 40824480), (3, 27216320), (4, 20412240), (5, 16329792), (6, 13608160), (8, 10206120), (10, 8164896), (12, 6804080), (15, 5443264), (16, 5103060), (17, 4802880), (20, 4082448), (24, 3402040), (30, 2721632), (32, 2551530), (34, 2401440), (40, 2041224), (48, 1701020), (51, 1600960), (60, 1360816), (64, 1275765), (68, 1200720), (80, 1020612), (85, 960576), (96, 850510), (102, 800480), (120, 680408), (136, 600360), (160, 510306), (170, 480288), (192, 425255), (204, 400240), (240, 340204), (255, 320192), (272, 300180), (320, 255153), (340, 240144), (408, 200120), (480, 170102), (510, 160096), (544, 150090), (680, 120072), (816, 100060), (960, 85051), (1020, 80048), (1088, 75045), (1360, 60036), (1632, 50030), (2040, 40024), (2720, 30018), (3264, 25015), (4080, 20012), (5003, 16320), (5440, 15009), (8160, 10006)]