31920960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 112

約数和(自身を含む): 103948992

約数和(自身を除く): 72028032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 160, 164, 192, 205, 240, 246, 320, 328, 410, 480, 492, 615, 656, 811, 820, 960, 984, 1230, 1312, 1622, 1640, 1968, 2433, 2460, 2624, 3244, 3280, 3936, 4055, 4866, 4920, 6488, 6560, 7872, 8110, 9732, 9840, 12165, 12976, 13120, 16220, 19464, 19680, 24330, 25952, 32440, 33251, 38928, 39360, 48660, 51904, 64880, 66502, 77856, 97320, 99753, 129760, 133004, 155712, 166255, 194640, 199506, 259520, 266008, 332510, 389280, 399012, 498765, 532016, 665020, 778560, 798024, 997530, 1064032, 1330040, 1596048, 1995060, 2128064, 2660080, 3192096, 3990120, 5320160, 6384192, 7980240, 10640320, 15960480, 31920960]

約数ペア:

[(1, 31920960), (2, 15960480), (3, 10640320), (4, 7980240), (5, 6384192), (6, 5320160), (8, 3990120), (10, 3192096), (12, 2660080), (15, 2128064), (16, 1995060), (20, 1596048), (24, 1330040), (30, 1064032), (32, 997530), (40, 798024), (41, 778560), (48, 665020), (60, 532016), (64, 498765), (80, 399012), (82, 389280), (96, 332510), (120, 266008), (123, 259520), (160, 199506), (164, 194640), (192, 166255), (205, 155712), (240, 133004), (246, 129760), (320, 99753), (328, 97320), (410, 77856), (480, 66502), (492, 64880), (615, 51904), (656, 48660), (811, 39360), (820, 38928), (960, 33251), (984, 32440), (1230, 25952), (1312, 24330), (1622, 19680), (1640, 19464), (1968, 16220), (2433, 13120), (2460, 12976), (2624, 12165), (3244, 9840), (3280, 9732), (3936, 8110), (4055, 7872), (4866, 6560), (4920, 6488)]