31648560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7757}}^1$

素因数の和:7790

約数の個数: 80

約数和(自身を含む): 103895136

約数和(自身を除く): 72246576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 7757, 15514, 23271, 31028, 38785, 46542, 62056, 77570, 93084, 116355, 124112, 131869, 155140, 186168, 232710, 263738, 310280, 372336, 395607, 465420, 527476, 620560, 659345, 791214, 930840, 1054952, 1318690, 1582428, 1861680, 1978035, 2109904, 2637380, 3164856, 3956070, 5274760, 6329712, 7912140, 10549520, 15824280, 31648560]

約数ペア:

[(1, 31648560), (2, 15824280), (3, 10549520), (4, 7912140), (5, 6329712), (6, 5274760), (8, 3956070), (10, 3164856), (12, 2637380), (15, 2109904), (16, 1978035), (17, 1861680), (20, 1582428), (24, 1318690), (30, 1054952), (34, 930840), (40, 791214), (48, 659345), (51, 620560), (60, 527476), (68, 465420), (80, 395607), (85, 372336), (102, 310280), (120, 263738), (136, 232710), (170, 186168), (204, 155140), (240, 131869), (255, 124112), (272, 116355), (340, 93084), (408, 77570), (510, 62056), (680, 46542), (816, 38785), (1020, 31028), (1360, 23271), (2040, 15514), (4080, 7757)]