2138880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{557}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 6843312

約数和(自身を除く): 4704432

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, 557, 640, 768, 960, 1114, 1280, 1671, 1920, 2228, 2785, 3342, 3840, 4456, 5570, 6684, 8355, 8912, 11140, 13368, 16710, 17824, 22280, 26736, 33420, 35648, 44560, 53472, 66840, 71296, 89120, 106944, 133680, 142592, 178240, 213888, 267360, 356480, 427776, 534720, 712960, 1069440, 2138880]

約数ペア:

[(1, 2138880), (2, 1069440), (3, 712960), (4, 534720), (5, 427776), (6, 356480), (8, 267360), (10, 213888), (12, 178240), (15, 142592), (16, 133680), (20, 106944), (24, 89120), (30, 71296), (32, 66840), (40, 53472), (48, 44560), (60, 35648), (64, 33420), (80, 26736), (96, 22280), (120, 17824), (128, 16710), (160, 13368), (192, 11140), (240, 8912), (256, 8355), (320, 6684), (384, 5570), (480, 4456), (557, 3840), (640, 3342), (768, 2785), (960, 2228), (1114, 1920), (1280, 1671)]