28715520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{3739}}^1$

素因数の和:3765

約数の個数: 80

約数和(自身を含む): 91824480

約数和(自身を除く): 63108960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3739, 3840, 7478, 7680, 11217, 14956, 18695, 22434, 29912, 37390, 44868, 56085, 59824, 74780, 89736, 112170, 119648, 149560, 179472, 224340, 239296, 299120, 358944, 448680, 478592, 598240, 717888, 897360, 957184, 1196480, 1435776, 1794720, 1914368, 2392960, 2871552, 3589440, 4785920, 5743104, 7178880, 9571840, 14357760, 28715520]

約数ペア:

[(1, 28715520), (2, 14357760), (3, 9571840), (4, 7178880), (5, 5743104), (6, 4785920), (8, 3589440), (10, 2871552), (12, 2392960), (15, 1914368), (16, 1794720), (20, 1435776), (24, 1196480), (30, 957184), (32, 897360), (40, 717888), (48, 598240), (60, 478592), (64, 448680), (80, 358944), (96, 299120), (120, 239296), (128, 224340), (160, 179472), (192, 149560), (240, 119648), (256, 112170), (320, 89736), (384, 74780), (480, 59824), (512, 56085), (640, 44868), (768, 37390), (960, 29912), (1280, 22434), (1536, 18695), (1920, 14956), (2560, 11217), (3739, 7680), (3840, 7478)]