71680560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42667}}^1$

素因数の和:42690

約数の個数: 80

約数和(自身を含む): 253959936

約数和(自身を除く): 182279376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42667, 85334, 128001, 170668, 213335, 256002, 298669, 341336, 426670, 512004, 597338, 640005, 682672, 853340, 896007, 1024008, 1194676, 1280010, 1493345, 1706680, 1792014, 2048016, 2389352, 2560020, 2986690, 3413360, 3584028, 4480035, 4778704, 5120040, 5973380, 7168056, 8960070, 10240080, 11946760, 14336112, 17920140, 23893520, 35840280, 71680560]

約数ペア:

[(1, 71680560), (2, 35840280), (3, 23893520), (4, 17920140), (5, 14336112), (6, 11946760), (7, 10240080), (8, 8960070), (10, 7168056), (12, 5973380), (14, 5120040), (15, 4778704), (16, 4480035), (20, 3584028), (21, 3413360), (24, 2986690), (28, 2560020), (30, 2389352), (35, 2048016), (40, 1792014), (42, 1706680), (48, 1493345), (56, 1280010), (60, 1194676), (70, 1024008), (80, 896007), (84, 853340), (105, 682672), (112, 640005), (120, 597338), (140, 512004), (168, 426670), (210, 341336), (240, 298669), (280, 256002), (336, 213335), (420, 170668), (560, 128001), (840, 85334), (1680, 42667)]