1812800

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:136

約数の個数: 84

約数和(自身を含む): 4913376

約数和(自身を除く): 3100576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 103, 110, 160, 176, 200, 206, 220, 275, 320, 352, 400, 412, 440, 515, 550, 704, 800, 824, 880, 1030, 1100, 1133, 1600, 1648, 1760, 2060, 2200, 2266, 2575, 3296, 3520, 4120, 4400, 4532, 5150, 5665, 6592, 8240, 8800, 9064, 10300, 11330, 16480, 17600, 18128, 20600, 22660, 28325, 32960, 36256, 41200, 45320, 56650, 72512, 82400, 90640, 113300, 164800, 181280, 226600, 362560, 453200, 906400, 1812800]

約数ペア:

[(1, 1812800), (2, 906400), (4, 453200), (5, 362560), (8, 226600), (10, 181280), (11, 164800), (16, 113300), (20, 90640), (22, 82400), (25, 72512), (32, 56650), (40, 45320), (44, 41200), (50, 36256), (55, 32960), (64, 28325), (80, 22660), (88, 20600), (100, 18128), (103, 17600), (110, 16480), (160, 11330), (176, 10300), (200, 9064), (206, 8800), (220, 8240), (275, 6592), (320, 5665), (352, 5150), (400, 4532), (412, 4400), (440, 4120), (515, 3520), (550, 3296), (704, 2575), (800, 2266), (824, 2200), (880, 2060), (1030, 1760), (1100, 1648), (1133, 1600)]